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  <front>
    <journal-meta>
      <journal-title-group>
        <journal-title>Paris, France
∗Corresponding author.
£ leonard.konle@uni-wuerzburg. d(Le. Konle);agnes.hilger@uni-wuerzburg.d(eA. Hilger);
fotis.jannidis@uni-wuerzburg.d(eF. Jannidis)
ȉ</journal-title>
      </journal-title-group>
    </journal-meta>
    <article-meta>
      <title-group>
        <article-title>On Character Perception and Plot Structure of German Romance Novels</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <string-name>LeonardKonle</string-name>
          <xref ref-type="aff" rid="aff0">0</xref>
        </contrib>
        <contrib contrib-type="author">
          <string-name>Agnes Hilger</string-name>
          <xref ref-type="aff" rid="aff0">0</xref>
        </contrib>
        <contrib contrib-type="author">
          <string-name>Fotis Jannidis</string-name>
          <xref ref-type="aff" rid="aff0">0</xref>
        </contrib>
        <aff id="aff0">
          <label>0</label>
          <institution>Institut für Deutsche Philologie, Julius-Maximilians-Universität Würzburg</institution>
          ,
          <country country="DE">Germany</country>
        </aff>
      </contrib-group>
      <pub-date>
        <year>2023</year>
      </pub-date>
      <volume>000</volume>
      <fpage>0</fpage>
      <lpage>0001</lpage>
      <abstract>
        <p>In this paper, we describe a plot model for German dime novel romances. Starting with the identi昀椀cation of essential structural parts of their plot based on scholarly analysis of romances, we then formalize this conceptual model. A昀琀er a description of the corpus with its 950 novels, mostly from the last 20 years, and the annotation guidelines for the selected plot elements, we automatically detect these elements using a 昀椀ne-tuned German Bert (with LoRA adapters). While it is clear how to evaluate the performance of the automatic extraction of the plot elements, it is less clear how to evaluate the quality of the model in total. We apply it to two texts and compare the result to summaries of these novels based on reading them, to discuss the strengths and weaknesses of the plot model in making aspects of the plot structure visible. For the quantitative evaluation each novel is represented as a multidimensional time series data. Classi昀椀cations of this data distinguish between publishers, genres and series respectively; we see the performance in this task as an indication of the quality of the model. Finally, applying the model to a larger corpus of romance novels, we detect patterns of the genre. The more modern form of the romance novel, published by the publishing houCseora, is characterized by the importance of the physical perception and the reduction of the plot with the high and exclusive focus on the relationship of the lovers.</p>
      </abstract>
      <kwd-group>
        <kwd>eol&gt;computational literary studies</kwd>
        <kwd>modeling plot</kwd>
        <kwd>romance</kwd>
        <kwd>dime novels</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body>
    <sec id="sec-1">
      <title>1. Introduction</title>
      <p>
        The formulaic love story with a happy ending, the romance, was for a long time near the bottom
of the ranks of aesthetic appreciation, a place where crude horror and war stories live near the
abyss which is usually inhabited by pornography. But this has changed in recent years, at least
in North America. The democratization of reading, the emancipation of the popular culture,
the loss of status of the elites, all this has made this elevation of the status of romance possible.
Today you 昀椀nd a genuine interest in the genre, because it is so widely read, it creates so very
intense feelings in so many readers and is comparatively under-researched and still not
wellunderstood. This is shown in books from academics like the pioneering studi2e2s][and [
        <xref ref-type="bibr" rid="ref24">24</xref>
        ]
and the establishment of a research community, e.g.1[
        <xref ref-type="bibr" rid="ref2">2</xref>
        ]. Not the least, it is re昀氀ected in the fact
that the New York Times is regularly publishing reviews of romance novels written by a writer of
romance novels1. Discussed are the structure of romance novels, the evolution of sub-genres,
or the question, whether romances are an indicator for the suppression of women, are they
“pornography for women”2[
        <xref ref-type="bibr" rid="ref6">6</xref>
        ] or has the genre always “promoted powerful and revolutionary
messages to women” [
        <xref ref-type="bibr" rid="ref25">25</xref>
        ]? As far as we can see, this increase of research activity is mainly
con昀椀ned to North-America, and with very few exceptions [
        <xref ref-type="bibr" rid="ref20">20</xref>
        ] the new interest in popular
entertainment in Europe has not yet extended to romance novels.
      </p>
      <p>
        Romance – in its modern meaning – is a world-wide phenomenon as can be seen by the
success the company Harlequin has in over 100 countries1[
        <xref ref-type="bibr" rid="ref3">0, 3</xref>
        ]. On the other hand, the
publication of romances is always deeply embedded in and structured by the local literary markets
[
        <xref ref-type="bibr" rid="ref31">31</xref>
        ]. In German speaking countries the market for popular reading entertainment is not
homogeneous, but divided in two spheres: in one market, books are sold and bought via bookshops.
In the other, booklets (‘He昀琀romane’) are sold and bought via newsagents. These booklets are
actually relatively short (usually between 64 and 128 pages), much shorter than novels in the
book market, and each is published as part of a series. We will use the term ‘dime novels’ to
refer to them. Dime novels are markedly less prestigious to the point that readers and publishers
try to hide the booklet format. The dime novel market is divided by gender: adventure novels
address men (mostly crime, science 昀椀ction, horror, western, fantasy and war) and romances
address women (with sub-genres like the medical romance or the romantic suspens7e]). [Figure
1 shows the design of the covers of such romances.
      </p>
      <p>In Germany, the market of dime novel romances is divided between three companiBesa:stei,
Cora and Kelter. Bastei and Kelter publish almost exclusively German authors. Some of their
most successful series are republications from the 1960s to the 1990s. One especially
successful series consists of shortened versions of the over 200 novels of the German writer Hedwig
Courths-Mahler, who published most of her novels between 1900 and 194C0o.ra publishes a
small set of German authors, but mostly translates and shortens novels from its parent company
Harlequin. The three publishers of German romance dime novels produce about 60 romance
series, each with a weekly issue, around 3.000 novels per year – though an unknown number
of them are reissues.</p>
      <p>
        The romance dime novels provide perfect material for Computational Literary Studies (CLS):
There are many, they are comparatively short with little variance in length, and they
instantiate a genre which is known to be formulaic1[
        <xref ref-type="bibr" rid="ref18">0, 18</xref>
        ], even more so because they are written in
accordance with the guidelines by the publishers for each serie7s].[Therefore, they are
excellent material for computational approaches analyzing complex matters of the 昀椀ctional world
like character or plot which until now resist treatment with computational methods unless
reduced drastically, for example in the case of plot to one dimensi1o1n] [or four dimensions
[
        <xref ref-type="bibr" rid="ref6">6</xref>
        ].
      </p>
      <p>
        This paper builds on our earlier work, where we discussed di昀erent approaches to the
modeling of plot and argued for a model which is not generic, but only applicable to a corpus with
shared features 1[
        <xref ref-type="bibr" rid="ref3">3</xref>
        ]. This kind of model has the merit to represent more concrete elements of
plots in such a way that it conforms better with the notion of plot in literary studies. With this,
we follow the approach of Propp and his analysis of magical fairy tal2e1s],[even though we
did not create the list of plot elements by reading all texts in the corpus.
      </p>
      <p>In this paper, we will discuss a plot model for the German dime novel romance, building on
the research literature and re昀椀ning it with our knowledge of German dime novel romances.
This will allow us to explore a question which has been repeatedly discussed in the research
on popular literature in general and on dime novels and romance in particular: How formulaic
is this literature? One description which can be found quite o昀琀en claims, that “They’re all the
same” [10, p. 127]. But as an early researcher of dime novels remarked: If all these novels really
are the same, they would certainly not be read. And he already noted that in order to analyze
this kind of literature, it is important to identify what remains the same and what varies in a
series or genre 4[]. Our plot model allows us to describe an important part of the variation in
the way dime novel romances are told.</p>
      <p>We use our model to annotate texts manually. Based on that we annotate 950 texts
automatically using a 昀椀ne-tuned BERT model.</p>
      <p>One of the main problems of modeling plot is to 昀椀nd an adequate way to evaluate the model.
We choose a qualitative and a quantitative approach. For the 昀椀rst, we compare the
representation of the plot of two stories with a summary and our close reading. This gives us valuable
insight which content aspects are retained and which are lost. For the quantitative approach,
we use the automatically annotated data to represent each novel. Clustering and classifying
them allows us to evaluate how much information is retained in the plot models.</p>
      <p>Finally, we use the plot features over the progression of the model to detect typical patterns.
Thus we can show that the novels byCora not only emphasize the physical aspects of the
relationship between the lovers, but also concentrate the plot structure on their meetings.</p>
    </sec>
    <sec id="sec-2">
      <title>2. Corpus</title>
      <p>Our corpus consists of 950 romance dime novels from 昀椀ve sub-genres, released by three
publishers (see Figure2). We can distinguish between several sub-genres. The most represented
is the group of ‘pure’ or ‘generic’ romance novels. In the other romance genres, a romantic
couple relationship is mandatory, but less dominant in the plot. The ‘Heimatroman’ is quite
speci昀椀c to the German-speaking countries. Its setting are the alpine mountain villages, where
old-fashioned values are still kept alive (similar to the children’s book ‘HeMideid’)i.cal novels
additionally depict everyday life in doctoral o昀케ces or hospitals, aRnodmantic Suspense novels
combine elements of the romance with those of horror and sometimes contain supernatural
elements such as ghosts or werewolves.</p>
      <p>This selection of series represents a cross-section of curren2tpluyblished dime novels by the
dominating publishers. But this also includes reprints of texts 昀椀rst published up to 100 years
ago (e.g. in the Courths-Mahler series). Unfortunately, publishers of dime novels usually avoid
communicating a novel’s age in any way. Therefore, we exclude any historical analyses for
now. The authorship of the texts is also di昀케cult to determine. Several strategies of attribution
are used simultaneously: clear names, pseudonyms of one auth3oarn,d pseudonyms owned by
publishers 7[].4</p>
    </sec>
    <sec id="sec-3">
      <title>3. Modeling and Manual Annotation</title>
      <p>
        In the following we describe a conceptual model of the plot structure of romance dime novels
based on scholarly de昀椀nitions and descriptions of this genre10[
        <xref ref-type="bibr" rid="ref18 ref22 ref23 ref24 ref26 ref30">, 18, 26, 30, 22, 24, 23</xref>
        ], mainly
2None of them was published before 2008.
3Authors use a di昀erent pseudonym in each sub-genre.
4E.g. all entries of a series are authored by one pseudonym.
building on 1[
        <xref ref-type="bibr" rid="ref24">0, 24</xref>
        ]. Due to lack of space we cannot report these de昀椀nitions and our analysis of
them but only the 昀椀nal result, our conceptual model (see also Figu3r):eA prototypical romance
dime novel is published for a mass market and tells a story of two people falling in love. The
story is structured by the following events: Two protagonists, usually a man and a woman,
meet (First Contact), they fall in love, an obstacle makes the union impossible until 昀椀nally the
obstacle is removed, their love to each other is declarCedon(sent Scene) and 昀椀nally a happy
union, o昀琀en in the form of a marriage (Happy Ending), comes about. On the plot level, the
elements between the 昀椀rst contact and the happy ending can recur multiple times, even the
mutual declaration, and can occur in any order.
      </p>
      <p>One important structural unit for our understanding of plot isstchenee. We understand
a scene as part of the discours of a narrative that represents a part of thheistoire in such a
way that both are simultaneous, the location does not change, a particular action is central,
and the constellation of characters remains33[]. Some of the events of our plot model are
characteristics of one single scene, for example the 昀椀rst contact or the happy ending, while
others appear in more than one scene. The plots of popular romances can be understood as a
sequence of scenes, and each scene shows either a meeting of the protagonists or not. Using
scenes as basic narrative units allows us to create an information structure which ties all plot
elements to a plot unit. Additionally, we can add genre speci昀椀c information to this plot unit:
do the lovers meet or no5t.The variations between romances can now be described using plot
elements likeFirst Contact and the information about the scene structure.</p>
      <p>The main goal of the narrative is the emotional engagement of the reader usually by showing
the emotions of the protagonists, by depicting the process of falling in love. In romance novels
this love is overwhelmingly heteronormativ2e7][. That is also true for the German dime novel.
Falling in love is depicted as a process that is accompanied by perceptions of the character and
the body of the loved one. These perceptions are shown in more than one scene and can refer to
5Snitow describes the whole plot of Harlequin romances as scenes, in which the lovers are together or in which the
female protagonist is ‘essentially’ alon2e6[] but this is too limited to describe all romances we read.
any aspect of a personality, but we can distinguish between positive and negative dimensions.
Because we observed that the mutual declaration of love was in some interesting cases not
identical with the happy ending, we decided to keep them separately.</p>
      <p>
        In the US the term romance is nowadays sometimes understood to refer to a story which
contains one or more erotic encounters between the lovers. But if we look at the genre in total,
we see this is o昀琀en not the case: Historically, the boom of the erotic romance started in the
1970s [
        <xref ref-type="bibr" rid="ref16">16</xref>
        ], there are still many romances without erotic content, for example the Inspirational
Romance. In the German market, around half of the dime novels for women have no erotic
content. Therefore, we treated erotic encounter as an optional plot element which can be
found in many di昀erent genres and excluded it from this study, where we focus on the core
elements.6
      </p>
      <p>For our annotation, we adapted the conceptual model in the following way: We assume that
there is a “main love plot” in the romances. All categories are annotated in relation to this main
love plot, not in relation to minor characters or other plot lines. Prior to annotation, the texts
were automatically segmented into scenes using LLPr7o.Captured is 1) information related
to the unit of the whole scene; 2) information related to smaller units of text, usually phrases.
Based on research literature and our reading experience, we assumed that there usually is a
heterodiegetic narrator and that the narration is depicting scenes generally in their chronological
order.</p>
      <sec id="sec-3-1">
        <title>3.1. Annotations at scene level</title>
        <p>Figure 4 provides an overview of the annotated information captured in each novel on the
level of the scene. It is based on the description of the romance above with some important
exclusions and simpli昀椀cations: We did not annotate theobstacle, because there are so many
di昀erent ones, especially if one also includes non-contemporary romances.</p>
      </sec>
      <sec id="sec-3-2">
        <title>3.2. Annotations at phrase level</title>
        <p>
          Because the bulk of German dime novel romances are written for wome7n], [the point of view
is most of the time the female protagonis8t. Therefore, if we want to model the process of
‘falling in love’, it seems to us a justi昀椀ed limitation to focus on the female protagonist. The
process of ‘falling in love’ includes many di昀erent aspects; we operationalized it by focusing
on the female protagonist’s perceptions of, emotions caused by and physical attraction to the
male protagonist. In our approach to the annotation of emotions, we follow the model that
Simone Winko developed for analyzing emotions in poetry and that Claudia Hillebrand adapted
for narrative texts2[
          <xref ref-type="bibr" rid="ref9">9</xref>
          ][
          <xref ref-type="bibr" rid="ref8">8</xref>
          ]. This approach is not trying to capture the emotions of readers, but
the emotions which are mentioned or displayed in the text as being experienced by a
character. However, we limit ourselves to a small part of this analysis model: we only pay attention
to explicitly named emotions, we do not record which emotion is felt, but only its presence
and polarity. Also, we only consider emotions other than love but with some relation to the
        </p>
        <sec id="sec-3-2-1">
          <title>6The analysis of the erotic encounters will be subject of a separate study. 7https://github.com/cophi-wue/LLpro 8Though it is no longer true that “all action in the novels is described from the female point of vi2e6w].” [</title>
          <p>love plot. An example: The female protagonist is happy because she has a date with the male
protagonist. Only the presence of a positive emotion is recorded. Under ‘perception’ we
capture the perception of the male protagonist by the female protagonist. Here, we distinguish
between the perception of character traits and physical appearance, such as body, voice, or
smell. Just as with emotions, only the polarity of the perception – not what is perceived – is
recorded. Thirdly, by the tag ‘physical attraction’, we capture phrases that express that the
female protagonist is physically drawn to the male protagonist. As mentioned above, we do
not directly annotate the ‘obstacle’ that stands in the way of the protagonists’ love. However,
at least indirectly, the obstacle is likely to be partly re昀氀ected in the categories we annotate. For
the protagonist’s negative perceptions and negative emotions may be caused in part by it.</p>
        </sec>
      </sec>
      <sec id="sec-3-3">
        <title>3.3. Annotated Resources</title>
        <p>We annotated 15 novels at scene and phrase level in full. Four of those were annotated by
all four annotators to calculate inter-annotator agreement (Multi-Annotat1i)o.nSsince each
novel contains only one happy ending and one consent scene, we have additionally given
annotators the task of identifying happy endings in a larger collection of novels. This results
in 137 happy ending and 83 consent scenes. For an overview of the annotated resources see
Table1. The inter-annotator agreement for these features were in most cases quite high, with
a notable exception: the IAA on character perceptions and inner emotions is comparatively
low. The di昀erence is not particularly surprising and can be explained by the higher
complexity, both conceptual and linguistic, of emotion and character compared to the perception of
physical properties. The disagreement is not in the distinction between positive and negative
perceptions or emotions, but in the identi昀椀cation of relevant text passages.</p>
      </sec>
    </sec>
    <sec id="sec-4">
      <title>4. Automatic Annotation of Plot Elements</title>
      <p>The automatic annotation of the texts is performed either on scenes or on sentences. Each
scene is annotated with the information whether there is a meeting between the lovers in this
scene or not (and we assume that the 昀椀rst contact can be labeled asFirst Contact). Additionally,
we classify scenes as aConsent Scene, that is a mutual declaration of love, orHaappy Ending or
as a negative. On the sentence level, the polarity of character perceptions, physical perception,
and emotions are attributed; and indicators for physical attraction are detected.</p>
      <p>In order to generate automatic annotations for the whole corpus, we utilize machine learning
and 昀椀t one model for each tag of the tagset (see section 2.1). Our foundation model is
昀椀ctiongbert-large9 a variant of gbert-large1[] adapted to narrative texts. The 昀椀netuning is performed
using LoRA adapters (rank=4, alpha=8)9[]. The use of LoRA, instead of full-昀椀netuning, has the
advantage that by reducing the number of weights that must be trained, the amount of
computation required is greatly reduced, and the model is more robust against over昀椀tting. Each task
is trained over 20 epochs with a linear decreasing learning rate of 0.0001. Since all types of
annotations are highly unbalanced (e.g. there are much more phrases containing no annotation),
random under-sampling is utilized in every epo1c0h.</p>
      <sec id="sec-4-1">
        <title>9https://huggingface.co/lkonle/fiction-gbert-large</title>
        <p>10Code and Data: https://github.com/LeKonArD/On-Character-Perceptiona-nd-Plot-Structure-of-German-Rom
ance-Novels</p>
        <p>Table 3 denotes the performance of the meeting classi昀椀cation compared to a baseline. The
baseline simply assumes: If the names of the two main protagonists are present in a scene,
there is a meeting. We show that this approach is not su昀케cient.</p>
        <p>The identi昀椀cation of happy ending and consent scenes is di昀케cult due to its highly
imbalanced data distribution (one happy ending per novel and usually only one consent scene).
Training both tasks leads to high recall/low precision results on the testset.</p>
        <p>We deal with this problem by using the knowledge that happy endings emerge towards the
end of a novel as post-processing over the classi昀椀cation results, so that the last scene classi昀椀ed
as a potential happy ending is always the one happy ending. For the consent scene we have no
such information, so we simply use the scene with the highest so昀琀max value for determining
the consent scene. These steps lead to a mediocre happy ending and consent scene detection.
Table4 denotes the performance on complete, held out novels.</p>
        <p>Table 5 shows the performance of sentence level tasks on the test set. The F-scores of the
categories are in an acceptable range (and feature low variance between splits) except for
negative physical perception. The reason for the outlier in this category is not due to factors like
linguistic variance, but simply re昀氀ects the lower number of examples (see Tab1l)e. The case
is di昀erent for physical attraction, where the value is higher than in the other categories,
although there are not signi昀椀cantly more examples. Possible explanations are the restriction to
exclusively positive examples or a low linguistic variance of its phrases.</p>
      </sec>
    </sec>
    <sec id="sec-5">
      <title>5. Evaluation of the Plot Model</title>
      <p>Evaluation of plot models is uncharted territory because research usually tests whether the
automatically extracted features align with a manual annotation of these features, but not whether
the model itself is an appropriate representation of the plot. Sometimes researchers try to
approach this problem by associating spikes in their graphs with plot highlights, for exam6p]l.e [
We take two approaches: a qualitative one in which we compare the results of close reading
two stories with their representation in our model and a quantitative one in which we look
at a clustering of our collection of romance dime novels based on a representation of our plot
model as a multidimensional time series, and by looking at the quality of a classi昀椀cation of
the novels represented in this way. It should tell us, how informative and discriminative this
representation is.</p>
      <sec id="sec-5-1">
        <title>5.1. Qualitative Evaluation: Close Reading and formal plot model</title>
        <p>Even if our model of plot is richer as more generic ones, because it is hand-tailored to a speci昀椀c
corpus, it does not retain some information which is considered by readers as an important
part of the plot. To better understand this loss, we will discuss below the relationship between
our formal model of a romance dime novel plot and a more conventional summary. Let us start
with the summaries of two novels: ‘Seduction under palm trees’ a novel from 2008 by Maureen
Child and the much older novel ‘Melody of a summer’ by Leni Wüst from 1964.</p>
        <p>Verführung unter Palmen (Seduction under palm trees): The multimillionaire Max Striver meets Janine Shaker, a
氀昀orist from California, in the club of theFantasies resort. Contrary to her usual habits, Janine 昀氀irts with Max and
spends a passionate night with him – without using contraception. A昀琀er they make love again the next night,
Max proposes to her that she plays his wife for the next few weeks in exchange for a large payment, in order
to 昀椀nally scare o昀 Max’s ex-wife, Elisabeth, who is stalking him. Because, as he knows, Janine has been robbed
of her fortune by her ex-昀椀ancé, and is in need of money, she agrees, but is very disappointed by his behavior.
They successfully pretend to be married, but though they are attracted to each other, they are also kept apart by
Max mistrust of people in general. He proposes to marry without love, but she refuses because she loves him
and does not want to live in a marriage without love. Janine discovers that she is pregnant. When she informs
Max about the pregnancy, he does not believe her and accuses her of trying to deceive him. Janine leaves. Le昀琀
alone, a昀琀er a violent argument, Max 昀椀nds the positive pregnancy test, travels a昀琀er her, confessing his love for
her, which he has now realized, and proposes to her. She accept2s][.</p>
        <p>
          Melodie eines Sommers (Melody of a summer): The famous singer Antonia Segestus is staying near the German
city Würzburg for a health cure. There she meets her former boyfriend Johannes Witthold. The two became
acquainted during one of Antonia’s engagements years ago and fell in love. Since Johannes had to support his
mother, while Antonia had a great career ahead of her, the two separated and each married someone else. During
the summer they now fell in love again. So when Antonia’s husband, the famous doctor Martin Haßlacher arrives
at her hotel, she tells him that she wants a divorce. Haßlacher is furious and tells her she is insane like her mother.
Antonia is deeply a昀ected by this. When she tells Johannes about the separation, he also decides to separate from
his wife. To do so, however, he has to travel to nearby Würzburg. He promises Antonia to come back to her in
the evening. When Johannes does not arrive in the evening as expected, Antonia thinks he will not part with
his wife a昀琀er all. Still under the impression that the conversation with her husband has le昀琀 on her, Antonia
attempts suicide. However, she is found in time by a housemaid and taken to the hospital, where she lies in a
coma from then on. Now it turns out that Johannes had an accident on his way to see her and therefore could
not arrive in time. At Antonia’s bedside, Johannes and Haßlacher have long conversations: Haßlacher is now
more conciliatory and agrees to the separation. Finally, Antonia awakens from her coma and is able to be with
Johannes [
          <xref ref-type="bibr" rid="ref32">32</xref>
          ].
scene. A gray background indicates a meeting of the lovers. This makes it possible to visualize
which aspects of the plot can be captured with our model. If we look at the illustration for
‘Melody of a Summer’, the 昀椀rst thing that strikes us is the large gap in the middle between the
gray bars: for 40 scenes there is no encounter between the lovers. From our reading, we know
that Antonia lies in a coma for many scenes. This information is lost in our visualization, as
we only see that the partners do not meet. In the illustration for ‘Seduction under Palm Trees’,
on the other hand, the encounters are very frequent. The lovers see each other in at least every
third scene. From our close reading, we know that physicality and physical attraction between
the partners play a major role in ‘Seduction under Palms’, unlike in ‘Melody of a Summer’. This
attraction unfolds in the numerous meetings between Max and Janine. In the 昀椀gure we also see
that the values for ‘physical attraction’ and ‘physical perception’ are much higher in ‘Seduction
under palm trees’. Not only the perception of the body and its power of attraction, but also that
of character plays a greater role in the later novel. What is striking here is that the perception
of negative character traits dominates. However, we again do not see which characteristics
Janine does not like in Max and can only reconstruct from reading that she 昀椀nds him arrogant
and calculating most of the time. The same applies to the emotions of the female protagonists.
        </p>
        <p>In the 昀椀gures, we see that Janine and Antonia are not doing so well emotionally over long
stretches of the plot. The fact that the female protagonists feel so many negative emotions
was an impression that emerged again and again during the qualitative analysis. But what
emotions it is here that they feel and what causes them, we again do not see in the 昀椀gures.
In Janine’s case, the negative emotions are usually a direct reaction to Max’s behavior: He
makes her feel angry, sad, or hurt. Johannes on the other hand is not responsible for Antonia’s
negative feelings. Instead, it is her husband Martin Haßlacher and the external circumstances
that make her feel depressed. Another major di昀erence between the two novels, that is visible
in the 昀椀gures, is the position of the consent scene: in ‘Seduction under palm trees’ it coincides
with the happy ending. In ‘Melody of a Summer’, however, the partners already come together
in the 昀椀rst third of the novel. A昀琀er that, the story tells of the obstacles that stand in the way
of their being together. Which obstacles must be overcome in the two novels we do not see in
our annotations at the moment.</p>
        <p>All in all the comparison shows that the model retains some of the important aspects of the
plot, but it is also obvious that equally important aspects, especially those that refer to the
causal link between events or to the motivation, are missing.</p>
      </sec>
      <sec id="sec-5-2">
        <title>5.2. Quantitative Evaluation</title>
        <p>
          For the evaluation of the representational power of the model, we use dimensionality reduction
and classi昀椀cation. We do know from previous research that the categories genre, publisher, and
series are important for the segmentation of the corpus, and that information about all three
categories is part of the text 1[
          <xref ref-type="bibr" rid="ref4 ref7">4, 7</xref>
          ]. For each novel we create a representation as a
multidimensional time-series, that is a matrix, where each column is a scene and each row represents
a scene annotation likeFirst Contact in binary format or the amount of a speci昀椀c sentence
level annotation as an integer. For example, there is a row of integers with the annotations for
character perceptions for each scene.
Time Series Analysis The direct analysis of the multidimensional time series data,
especially if those series di昀er in length, requires either data transformation or tailored algorithms.
We use both in di昀erent scenarios. In order to plot aggregated trend-lines (e.g. 昀椀g1.0 or 昀椀g.
13) we resort to binning the scenes of a novel to 20 sequences. Since binning always comes
with a loss in resolution, we apply multidimensional Dynamic Time Warp11in(DgTW) [
          <xref ref-type="bibr" rid="ref5">5</xref>
          ].
Dimension Reduction The application of DTW results in a distance matrix over novels,
which is di昀케cult to represent or interpret. To give a visual impression of how the novels
(publishers, genres) relate to each other, we project the matrix into 2-dimensional space using
UMAP [
          <xref ref-type="bibr" rid="ref17">17</xref>
          ].12
Machine Learning (for analysis) In order to test the discriminative power of our novel
representation, we use the binned time series vectors as input to a Support Vector Machine
(SVM) and either series, genre or publisher as label. We also use word frequencies (tf-idf, 8000
most frequent words, no stopwords, no named entities) as features and compare the results.
5.2.1. Results
        </p>
        <p>
          Figure7, on the right, shows that the publishers are dominating the structure. Especially the
di昀erence between Cora on the one hand andBastei and Kelter on the other hand is obvious;
this 昀椀ts with results from previous studies on the important role of publishers in the 昀椀eld of
11https://github.com/wannesm/dtaidistance
12Parameters min_dist: 0.8, metric: euclidean, n_neighbors: 15
German dime novels 1[
          <xref ref-type="bibr" rid="ref4">4</xref>
          ]. On the le昀琀, the structure is noticeably less clear, though we see some
di昀erence in the density of the groups. This impression is con昀椀rmed by the classi昀椀cations. We
classify the romances three times with three di昀erent label sets in a multiclass classi昀椀cation
setting: 昀椀rst by publisher, second by genre and third by series. Tabl6e shows that the results
for the three classes of the publishing houses is quite high with an F1-score of 0.83 (macro avg.).
        </p>
        <p>The results are noticeably worse for the classi昀椀cation of the four genres (see tab7l)ewith an
F1-score of 0.57 (macro avg), random baseline: 0.25. If we look at the results for the separate
classes, we see that the very low recall of the Medical Romances contributes a lot to this result.
There are two series in the genreMedical Romance, one from the publisherCora, the other
from the publisherBastei. Though they share the same setting they have very di昀erent plot
structure as we will see in more detail below.</p>
        <p>precision recall f1-score support
Medical Romance
Heimatroman
Romance
Romantic suspense
accuracy
macro avg
weighted avg</p>
        <p>Lastly there is the classi昀椀cation of the eleven series with an F1-score of 0.46 (macro avg),
random baseline: 0.09. Because here the publisher is not a confounding variable, it works
rather well.</p>
        <p>Table8 and the corresponding confusion matrix in Figu8reshow some interesting patterns
which give us an insight into this literary 昀椀eld: The novels from one series of the publisher
Cora are easily confounded with the novels from another series by the same publisher. Almost
two thirds of the seriesBaccara for example are attributed toJulia and Ärzte zum Verlieben,
while almost half of the novels of the last series are classi昀椀ed as being from tBhaeccara series.
The same is true, but to a markedly lesser extent, for the series from the publishBearsstei and
Kelter: Their identity is, even under this abstract view of a plot structure, more speci昀椀c and less
interchangeable – with some interesting exceptions, about a quarter of the general romance
seriesSilvia is classi昀椀ed as Medical Romance, even though or because the setting is not part of
the classi昀椀cation information.
5.2.2. Discussion
To better understand how well our plot model was evaluated by our classi昀椀cation of the plot
representations, we compare it to a classi昀椀cation using the whole text. The classi昀椀cation of the
romances by publishers, genre or series using a bag of word representation works very well:
publisher: 0.97, genre: 0.87 and series: 0.73 (F1-score, macro avg.), which is not surprising
because this representation provides the classi昀椀er with information on settings, typical character
names, style and a lot more (full results in appendix). It is quite interesting that the plot model
with only a few features, but with the information over the progression, is, at least in the case
of classi昀椀cation by publisher with 0.83 also quite good.</p>
        <p>Figure9 shows how much each of the features of the plot model contributes to the
classi椀昀cation: Only physical attraction, which is quite similar to positive physical perception, and
happy ending and consent scene which are quite similar in most texts, do not contribute new
information. This also supports our assumption that this model is informative.</p>
      </sec>
    </sec>
    <sec id="sec-6">
      <title>6. Corpus Analysis</title>
      <p>The advantage of our representation of plot is its ability to show developments over time and
perhaps even patterns of development. So in this section, we will show how plot aspects like
character perception and meetings develop in the novel progression for the whole corpus
because this gives us some new insight into typical patterns. Additionally, we examine in more
detail how large di昀erences between the progression patterns of various series disappear in this
aggregated view. Finally we look at the longest distance between two meetings of the lovers
and the di昀erence of the amount of positive physical perception to describe typical patterns.</p>
      <sec id="sec-6-1">
        <title>6.1. Novel Progression in the Romance</title>
      </sec>
      <sec id="sec-6-2">
        <title>6.2. Hidden Pattern in Romances</title>
        <p>The most interesting 昀椀nding of this paper, which, as far as we know, has not been described
before, is the fact that in the case of theCora novels, the plot of the erotic novels relates
almost exclusively to the relationship between the two main characters. This has structural
consequences. Above, we already saw the high values for the positive physical perception for
selectedCora romances, which is even more clear, when we look at Figu1r2ewith the average
values of this feature. In Figure13 we see box plots for the average numbers of scenes
without a meeting of the protagonists. AlClora series show on average very low values. In other
words, there are only very few scenes without a meeting of the protagonists in these novels.
This means that these Texts are much more focused on the love plot.</p>
      </sec>
    </sec>
    <sec id="sec-7">
      <title>7. Conclusions and Future Work</title>
      <p>It was one of our main goals to build an instrument that allows us to highlight the variation
in a genre o昀琀en described as formulaic or uniform. We were able to show that novels by the
publisherCora have two quite signi昀椀cant plot features: the high importance of the physical
perception, which has been known to scholars, and the high and exclusive focus on the
relationship of the lovers, which is new. In this case distant reading was able to show a new and
interesting pattern. There are many follow-up questions which could be pursued: How stable
is this pattern across di昀erent series, when did it evolve? One could tentatively hypothesize
that the Harlequin ‘formula’ works not only by enriching the texts with sexual encounters, but
also by concentrating on the meeting of the two protagonists, to the point where even rivals
no longer play a major role, but only the emotions of the two lovers.</p>
      <p>The list of future work is quite long. One could include information about typical settings
into the plot or identify where the narration deviates from the chronology. Though the
classi椀昀cation gives us some insight into the degree to which this model is informative and
discriminative, it still begs the question, how to test the quality of the plot model more rigorously.</p>
      <p>A particularly challenging problem is the modeling of the ‘obstacle’ which stands between
the relationship of the two lovers and how they overcome it. Some obstacles like the scheming
of a rival, the lack of consent of ambitious parents, or the fear of a closer bond due to bad
experiences can be found quite o昀琀en, but the variety of these plot points is rather large.</p>
      <p>In this study, we concentrated on plot elements and disregarded the aspect ‘character type’,
but it is well-known that in these novels character types abound. Based on previous work on
character types, it would be possible to add this to the ontology of the romance.</p>
      <p>The reported results on the performance of the automatic annotation models leave room for
improvement. Since the tasks trained here individually share some properties at sentence level
(except for inner emotions, they are perceptions: the female protagonist is the one perceiving,
the male protagonist is the one perceived; polarity is captured for emotions and perception),
a model that stores the patterns of these properties across tasks should be superior to our
approach. One way to achieve this could be the use of Adapter Fusion19[].</p>
      <p>The scene level tasks, on the other hand, certainly bene昀椀t from models28[] that allow to
process larger contexts, since e.g. a happy ending is also de昀椀ned by the fact that no further
obstacle appears a昀琀erwards. Our models are currently blind to this information, since they
classify each scene separately.</p>
      <p>Finally, the corpus we used here is the product of a very contingent process. Work on the
creation of a corpus, which is balanced with regard to sub-genres, mode of narration, time of
publication, publishers etc., is ongoing but far from its completion.</p>
    </sec>
    <sec id="sec-8">
      <title>8. Roles and Contributions</title>
      <p>CRediT Roles: Konle: Formal Analysis, Investigation, So昀琀ware, Writing; Hilger: Data Curation,
Investigation, Methodology, Writing; Jannidis: Conceptualization, Methodology, Supervision,
Writing. Annotators: Jule Beck, Oana Heckl, Agnes Hilger, Lilli-Grace Moutschka</p>
    </sec>
    <sec id="sec-9">
      <title>A. First Appendix</title>
      <p>precision recall f1-score support
precision recall f1-score support
Medical romance
Heimatroman
Romance
Romantic suspense
accuracy
macro avg
weighted avg
accuracy
macro avg
weighted avg
precision recall f1-score support
Alpengold (B)
Baccara (C)
Courths-Mahler (B)
Das Berghotel (B)
Der Bergdoktor (B)
Dr. Stefan Frank (B)
Irrlicht (K)
Julia (C)
Silvia (B)
Ti昀any (C)
Ärzte zum Verlieben (C)
accuracy
macro avg
weighted avg</p>
    </sec>
  </body>
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