=Paper= {{Paper |id=Vol-2253/paper68 |storemode=property |title=Gender and Genre Linguistic Profiling: A Case Study on Female and Male Journalistic and Diary Prose |pdfUrl=https://ceur-ws.org/Vol-2253/paper68.pdf |volume=Vol-2253 |authors=Eleonora Cocciu,Dominique Brunato,Giulia Venturi,Felice Dell'Orletta |dblpUrl=https://dblp.org/rec/conf/clic-it/CocciuBVD18 }} ==Gender and Genre Linguistic Profiling: A Case Study on Female and Male Journalistic and Diary Prose== https://ceur-ws.org/Vol-2253/paper68.pdf
    Gender and Genre Linguistic profiling: a case study on female and male
                       journalistic and diary prose
                                          Eleonora Cocciu•
                    Dominique Brunato , Giulia Venturi , Felice Dell’Orletta
                                            
                                          •
                                            Università di Pisa
                               eleonoracocciu.95@gmail.com
             
               Istituto di Linguistica Computazionale “Antonio Zampolli” (ILC-CNR)
                                   ItaliaNLP Lab - www.italianlp.it
                                 {nome.cognome}@ilc.cnr.it
                      Abstract                           as Artificial Intelligence, Linguistics and Natural
                                                         Language Processing (NLP) stimulates new re-
     English. This paper intends to investigate          search directions in this field leading to the devel-
     the linguistic profile of male- and female-         opment of ‘computational sociolinguistics’, a mul-
     authored texts belonging to two very dif-           tidisciplinary field whose goal is to study the rela-
     ferent textual genres: newspaper articles           tionship between language and social groups us-
     and diary prose. By using a wide set of             ing computational methods (Nguyen et al., 2016).
     linguistic features automatically extracted         With this respect, a particular attention has been
     from text and spanning across different             paid to the influence of gender as a demographic
     levels of linguistic description, from lex-         variable on language use. This is a topic that has
     icon to syntax, our analysis highlights the         attracted linguistic research for decades (see e.g.
     peculiarities of the two examined genres            (Lakoff, 1973)) and has received a renewed inter-
     and how the genre dimension is influenced           est in recent years in the NLP community. The in-
     by variation depending on author’s gender           vestigation of possible differences between men’s
     (and vice versa).                                   and women’s linguistic styles has been carried out
     Italiano. Questo lavoro nasce con lo                by using multivariate analyses taking into account
     scopo di definire il profilo linguistico di         gender-preferential stylistic features (Herring and
     testi scritti da uomini e da donne apparte-         Paolillo, 2006) and machine learning techniques
     nenti a due generi testuali molto diversi:          inferring language models that differ at the level of
     la prosa giornalistica e le pagine di diario.       linguistic patterns learned (e.g. based on n-grams
     Attraverso lo studio di una ampia gamma             of characters, on lexicon, etc.) (Argamon et al.,
     di caratteristiche linguistiche estratte au-        2003; Sarawgi et al., 2016). These studies have
     tomaticamente dai testi e riguardanti di-           also moved the interest towards the analysis of
     versi livelli di descrizione linguistica, che       possible effects driven by textual genres and top-
     vanno dall’analisi lessicale del testo a            ics on gender-specific language preferences. With
     quella sintattica, questo lavoro mette in           this respect, in the context of the annual PAN eval-
     luce le peculiarità dei due generi testu-          uation campaign organized since 20131 , a cross-
     ali presi in esame e come la dimensione             genre gender identification shared task was newly
     del dominio dei testi venga influenzata             introduced (Rangel et al., 2016) in 2016, where
     dalla dimensione del genere uomo/donna              participants were asked to predict author’s gender
     (e viceversa).                                      with respect to a textual typology different from
                                                         the one used in training. This scenario turned out
                                                         to be much more challenging for state-of-the art
1    Introduction                                        systems, suggesting that females and males can
                                                         possibly use a different writing style according to
Authorship profiling is the task of identifying the
                                                         genre. While the cross-genre gender prediction
author of a given text by defining an appropri-
                                                         task has received attention for many languages,
ate characterization of documents that captures the
                                                         e.g. English, Portuguese, Arabic, the Italian lan-
writing style of authors. It is a well-studied area
                                                         guage will be addressed for the first time by the
with applications in various fields, such as intelli-
                                                         GxG (Gender X-Genre) shared task in the context
gence and security, forensics, marketing etc. Over
                                                            1
the last years, progress in different disciplines such          https://pan.webis.de/index.html
of the 2018 EVALITA campaign2 .                                 All selected texts were automatically tagged
   In line with this interest in the international           by the part-of-speech tagger described in
community, this paper presents a study on gender             (Dell’Orletta, 2009) and dependency parsed
variation in writing styles with the aim of inves-           by the DeSR parser described in (Attardi et
tigating if there are gender-specific characteristics        al., 2009). Based on the multi–level output of
that are constant across different genres. We de-            linguistic annotation, we automatically extracted
fine a methodology to carry out an in-depth lin-             a wide set of more than 170 linguistic features
guistic analysis to detect differences and similar-          described in the following section.
ities in female- and male-authored writings be-
longing to two different genres. Similarly to the            3   Linguistic Features
early work by Argamon et al. (2003) for English,
our focus is on the linguistic phenomena that con-           Our approach relies on multi-level linguistic
tribute to model men’s and women’s writings in a             features, which were extracted from the corpus
cross-genre perspective. The main novelty of this            morpho-syntactically tagged and dependency-
work is that we rely on a very wide set of linguis-          parsed. They range across different levels of
tic features automatically extracted from text and           linguistic description and they qualify lexical
capturing lexical, morpho-syntactic and syntactic            and grammatical characteristics of a text. These
phenomena. We choose not to focus our anal-                  features are typically used in studies focusing on
ysis on computer-mediated communication texts,               the “form” of a text, e.g. on issues of genre, style,
which are more typically used in this context, but           authorship or readability (see e.g. (Biber and
on two traditional textual genres, i.e. newspaper            Conrad, 2009; Collins-Thompson, 2014; Cimino
articles and diary prose.                                    et al., 2013; Dell’Orletta et al., 2014)).
                                                             Raw Text Features: Token Length and Sentence
2        Corpus Collection                                   Length (features 1 and 2 in Table 2): calculated as
                                                             the average number of characters per tokens and
The comparative investigation was carried out on
                                                             of tokens per sentences.
two collection of texts, equally divided by gender,
                                                             Number of sentences (feature 3): calculated as
and selected to be representative of two different
                                                             the number of sentences of a document.
genres: journalistic prose and diary pages.
                                                             Lexical Features: Basic Italian Vocabulary rate
                       Diaries              Newspapers       features, all calculated both in terms of lemmata
                 Tokens Document         Tokens Document     (L) and token (f ), referring to a) the internal com-
    Women        45,155        100       62,469        100   position of the vocabulary of the text; we took as
    Men          35,493        100       66,860        100
    TOTAL        80,648        200      129,329        200
                                                             a reference resource the Basic Italian Vocabulary
                                                             by De Mauro (2000), including a list of 7000
                                                             words highly familiar to native speakers of Italian
           Table 1: Corpus internal composition.
                                                             (feature 4), and b) the internal distribution of
                                                             the occurring basic Italian vocabulary words into
   For the journalistic genre we collected 200 doc-
                                                             the usage classification classes of ‘fundamental
uments through the advanced search engine avail-
                                                             words’, i.e. very frequent words (feature 5),
able on the website of La Repubblica.
                                                             ‘high usage words’, i.e. frequent words (feature
   For the second textual genre, we collected 200
                                                             6) and ‘high availability words’, i.e. relatively
texts from the website of the Fondazione Archivio
                                                             lower frequency words referring to everyday life
Diaristico Nazionale (National Diaristic Archive
                                                             (feature 7).
Foundation). In 1984, the Foundation (which is
                                                             Type/Token Ratio: this feature refers to the ratio
located in Pieve Santo Stefano in the province of
                                                             between the number of lexical types and the
Arezzo (Tuscany)) founded a first public archive
                                                             number of tokens. Due to its sensitivity to sample
containing writings of ordinary people, which was
                                                             size, this feature is computed for text samples of
changed into the National Diaristic Archive Foun-
                                                             equivalent length, i.e. the first 100 and 200 tokens
dation in 1991. Since 2009 the documentary her-
                                                             (feature 8).
itage of the archive has been included in the Code
                                                             Morpho-syntactic Features Language Model
of Cultural Heritage of the State.
                                                             probability of Part-Of-Speech unigrams: this
     2
         https://sites.google.com/view/gxg2018               feature refers to the distribution of unigram
Part-of-Speech (feature 9).                              icantly for at least one of the comparisons we con-
Lexical density: this feature refers to the ratio        sidered. In the second and third columns, headed
of content words (verbs, nouns, adjectives and           with Gender, it is marked the variation with re-
adverbs) to the total number of lexical tokens in a      spect to the textual genre, independently from gen-
text.                                                    der’s author, the forth and fifth columns, headed
Verbal morphology: this feature refers to the            with Genre, show the statistical significance of
distribution of verbs (both main and auxiliary)          variations with respect to gender.
according to their grammatical person, tense and            As it can be seen, the number of features that
mood (feature 10).                                       significantly vary is higher in diaries than in news-
Syntactic Features Unconditional probability             paper articles (i.e. 23 vs 11); this may suggest that
of dependency types: this feature refers to the          newspapers are characterized by a quite codified
distribution of dependency relations (feature 11).       writing style with few variations between female
Subordination features: these features (feature 12)      and male authors. When we focus on gender, the
include a) the distribution of subordinate vs main       effect of genre is more prominent for women, as
clauses and their average length, b) their relative      suggested by the greater number of features (i.e.
ordering with respect to the main clause, c) the         35) that significantly varies between female diaries
average depth of ‘chains’ of embedded subordi-           and newspaper articles.
nate clauses and d) the probability distribution of
                                                            Independently from gender, newspapers are
embedded subordinate clauses ‘chains’ by depth.
                                                         characterized by longer words and, among the
Parse tree depth features: this set of features
                                                         considered parts-of-speech, by a higher occur-
captures different aspects of the parse tree depth
                                                         rence of prepositions (both simple and articu-
and includes the following measures: a) the depth
                                                         lated), of nouns and proper nouns, as well as by a
of the whole parse tree, calculated in terms of the
                                                         more extensive use of punctuation. The nominal
longest path from the root of the dependency tree
                                                         style characterizing this genre and suggested by
to some leaf (feature 13); b) the average depth of
                                                         the higher proportion of nouns comes out clearly
embedded complement ‘chains’ governed by a
                                                         at syntactic level: newspapers articles greatly dif-
nominal head and including either prepositional
                                                         fer from diary pages since they present a higher
complements or nominal and adjectival modifiers
                                                         percentage of complements modifying a nouns
and their distribution of embedded complement
                                                         ([11] Compl. and [11] Prep.) also organized in
‘chains’ by depth (feature 14).
                                                         longer embedded chains ([14]), two features which
Verbal predicates features: this set of features
                                                         are more common in highly informative texts than
ranges from the number of verbal roots with
                                                         in narrative texts like diaries (Biber and Conrad,
respect to number of all sentence roots occurring
                                                         2009). According to the literature, these syntactic
in a text to their arity. The arity of verbal predi-
                                                         structures are typically related to sentence com-
cates is calculated as the number of instantiated
                                                         plexity as well as deep syntactic trees ([13]) and
dependency links sharing the same verbal head.
                                                         long clauses ([12] Avg.len.). These phenomena es-
Length of dependency links: the length is mea-
                                                         pecially distinguish newspaper articles written by
sured in terms of the words occurring between the
                                                         men.
syntactic head and the dependent (feature 15).
                                                            As expected, the language of diaries is identi-
                                                         fied by features typically characterizing narrative
4   Data Analysis                                        texts: the considered collection contains longer
                                                         sentences, especially male diaries, and a lower
For each considered features we calculated the av-       percentage of high usage ([6] (f)) and high avail-
erage value and their standard deviation. To inves-      ability ([7] (f)) lexicon belonging to the Basic Ital-
tigate which features characterize male vs. female       ian Vocabulary (BIV). Features capturing the ver-
writings, and the possible influence of genre, we        bal morphology reflect the narrative style used to
assessed the statistical significance of their varia-    refer to experiences occurred in the past: the di-
tion comparing i) male and female writings, inde-        aries (especially those by male authors) contain a
pendently from the textual genre and ii) diaries and     higher usage of imperfect tense and more auxil-
newspaper articles written by women and men.             iary verbs, possibly composing past tenses. In ad-
Table 2 reports features that resulted to vary signif-   dition, a number of features suggests that the diary
                     Gender       Genre                    Diaries                    Newspaper articles
 Feature
                    D      J     W     M         Women               Men            Women            Men
                                               Raw text features
 [1]                 -    ???    ?     ???   4.64      (0.31) 4.81      (0.25)   5.07     (0.23)   5.2      (0.22)
 [2]                 ?     -     -      ?    23.95 (20.74) 25.40 (14.53)         25.43    (6.78)   25.49    (6.36)
 [3]                 -     -    ???     -    22.16 (14.75) 21.9        (15.61)   26.6    (12.33)   27.8    (11.36)
                                                Lexical features
 [4] (L)             -     -    ???     -    78.6      (5.44) 72.3      (10.2)   69       (5.47)   68.1     (4.93)
 [4] (f)             -     -    ???     -    88.8      (4.07) 83.9      (6.91)   81.5     (4.00)   80.7      (3.8)
 [5] (L)             -     -    ???     -    83.7      (4.16) 80.2      (4.39)   76.8     (4.14)   76.6     (3.63)
 [5] (f)             -     -    ???     -    81.4      (3.58) 78.9      (3.98)   74.4     (3.93)   74.1     (3.55)
 [6] (L)             -     -    ???     -    11.8      (3.91) 15        (3.84)   17.8     (3.65)   18.3     (3.33)
 [6] (f)            ???    -     -      -    11        (2.52) 12.4      (3.02)   13.9     (2.50)   14.1     (2.36)
 [7] (L)             -     -    ???     -    4.48      (1.85) 4.75      (1.70)   5.42     (1.83)   5.06     (1.68)
 [7] (f)            ???    -    ???     -    7.55      (2.22) 8.67      (2.53)   11.3     (2.43)   11.8     (2.41)
 [8] 100 (f)         -     -     ?      ?    0.83      (0.05) 0.83      (0.06)   0.85     (0.05)   0.85     (0.05)
 [8] 200 (L)         -     -     ?      -    0.60      (0.05) 0.61      (0.05)   0.62     (0.04)   0.63     (0.04)
 [8] 200 (f)         -     -    ???     ?    0.72      (0.05) 0.73      (0.05)   0.75     (0.04)   0.75     (0.04)
                                           Morpho-syntactic features
 [9] Prep.           ?    ???   ???     ?    11.5      (2.68) 12.6      (2.90)   15.22    (2.12)   16.19    (1.91)
 [9] Artic.prep.     ?    ???    ?     ???   3.27      (1.82) 3.91      (1.53)   5.76     (1.69)   6.50     (1.44)
 [9] Pron.           -     -    ???     ?    8         (2.79) 7.41      (2.64)   4.37     (1.57)   4.26     (1.21)
 [9] Punct.          -    ???    -      -    13.5      (3.45) 12.6      (3.35)   13.66    (2.42)   12.48    (2.09)
 [9] Aux.verb.      ???    -     -      ?    2.38      (1.38) 1.80      (1.28)   2.18     (1.52)   2.03     (0.96)
 [9] Adj.            -     -     ?     ???   4.86      (1.80) 4.89      (1.75)   5.26     (1.58)   5.70     (1.72)
 [9] Poss.adj.       ?     -     -      -    1.46      (0.99) 1.06      (0.86)   0.56     (0.50)   0.60     (0.41)
 [9] Neg.adv.       ???    -     -     ???   1.68      (1.08) 1.14      (0.65)   0.94     (0.58)   0.85     (0.46)
 [9] Subord.conj.    ?     -     -      -    1.64      (0.92) 1.45      (0.93)   0.95     (0.66)   0.99     (0.54)
 [9] Nouns           -     -    ???     -    19.5      (3.77) 22.8      (4.57)   26.67    (3.36)   26.99    (2.73)
 [9] Prop.nouns      ?     -    ???     -    2.64      (1.68) 3.70      (3.05)   6.42     (3.11)   6.71     (2.71)
 [10] 1p.plur.       ?     -     -      ?    4.01      (6.16) 5.35      (8.21)   3.87     (4,74)   2.62     (4.31)
 [10] 3p.plur.       -     -     ?      ?    14.5     (10.52) 15.5     (12.96)   18.04    (9.17)   18.45    (9.98)
 [10] 1p.sing.       ?     -     ?      -    20.9     (13.40) 14.5     (12.97)   3.19     (4.41)   2.95     (5.05)
 [10] 2p.sing.       -     -     ?      -    2.80      (5.27) 1.80      (3.45)   0.69     (1.30)   0.45     (1.13)
 [10] 3p.sing.       ?     -     -      ?    38       (13.28) 45.2     (16.34)   49.64      (13)   50.33   (12.49)
 [10] 3p.plur.       -     -    ???     -    2.31      (3.21) 2.75      (4.50)   6.01     (6.38)   6.34     (5.66)
 [10] 1p.sing.       ?     -     ?      ?    7.26      (7.60) 4.32      (6.03)   1.8      (3.91)   0.75     (1.73)
 [10] Future         -     -     -      ?    5.59      (7.40) 2.98      (5.04)   5.94     (8.08)   6.79     (8.95)
 [10] Imperfect      ?     -    ???     -    21.9     (24.48) 26.2     (24.01)   8.61     (9.10)   9.14    (11.40)
 [10] Past           -     -     ?      -    8.78     (15.17) 9.74     (14.88)   1.51     (4.81)   2.37     (4.70)
                                               Syntactic features
 [11] Compl.        ???   ???   ???     -    8.80      (2.15) 9.96      (2.55)   12.10    (1.90)   13       (1.82)
 [11] Prep.         ???   ???    ?      ?    11.5      (2.69) 12.7      (2.88)   15.2     (2.12)   16.2     (1.91)
 [11] Punct.         ?     ?     ?     ???   11.4      (3.05) 10.2         (3)   12.3     (2.22)   11.4     (1.96)
 [11] Temp.mod.      ?     -    ???     -    0.89      (0.69) 0.61      (0.57)   0.57     (0.43)   0.51     (0.37)
 [11] Pred.comp.     ?     -     -     ???   2.46      (1.03) 2.03      (1.04)   1.68     (0.70)   1.55     (0.60)
 [11] Aux.           ?     -     -      ?    2.30      (1.36) 1.72      (1.29)   2.11     (1.56)   1.97     (0.97)
 [12] Main           -     -     ?     ???   61.1      (14.8) 61.8      (13.7)   67.5     (10.3)   68.1    (10.13)
 [12] Sub.           -     -     ?     ???   38.9      (14.8) 38.2      (13.7)   32.5     (10.3)   31.9    (10.13)
 [12] Avg.len.      ???    ?     ?      -    7.19      (1.17) 7.98      (1.72)   9.20     (1.57)   9.56     (1.46)
 [12] (post-verb)    -     ?     -      -    90.1      (16.9) 87.4      (21.8)   84.2     (13.9)   88.9    (11.06)
 [12] (pre-verb)     -     -    ???     ?    7.88        (11) 9.56      (15.5)   15.8     (13.9)   11      (11.06)
 [13]                ?     ?     -      ?    5.61      (2.84) 6.34      (2.55)   6.21     (1.22)   6.60     (1.18)
 [14]                -     ?     -      -    1.17      (0.12) 1.19      (0.11)   1.29     (0.11)   1.31     (0.08)
 [14] (len 3)        -     -     ?      ?    1.72      (3.69) 1.68      (2.52)   3.84     (3.14)   3.75     (2.35)
 [15]                -     -    ???     ?    9.12      (7.47) 9.56      (4.87)   9.84     (2.65)   9.95     (2.66)


Table 2: ? ? ? highly statistically significant (p < 0.001), ? statistically significant (p < 0.05), - any
statistically significant features characterizing the two considered textual genres (column Gender), i.e.
diaries (D) vs. newspaper articles (J) independently from gender; the two genders (column Genre),
i.e. women (W) vs. men (M) independently from textual genre; average feature values and standard
deviation in parenthesis for the four different sub-corpora. Features [1 − 3], [12] Avg.len, [13], [14], [15]
are absolute values, the others are percentage distributions.
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