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  <front>
    <journal-meta />
    <article-meta>
      <title-group>
        <article-title>Editorial for the 7th Bibliometric-enhanced Information Retrieval Workshop at ECIR 2018</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <string-name>Philipp Mayr</string-name>
          <email>philipp.mayr@gesis.org</email>
          <xref ref-type="aff" rid="aff0">0</xref>
        </contrib>
        <contrib contrib-type="author">
          <string-name>Ingo Frommholz</string-name>
          <email>ifrommholz@acm.org</email>
          <xref ref-type="aff" rid="aff1">1</xref>
        </contrib>
        <contrib contrib-type="author">
          <string-name>Guillaume Cabanac</string-name>
          <email>guillaume.cabanac@univ-tlse3.fr</email>
          <xref ref-type="aff" rid="aff2">2</xref>
        </contrib>
        <aff id="aff0">
          <label>0</label>
          <institution>GESIS - Leibniz-Institute for the Social Sciences</institution>
          ,
          <addr-line>Cologne</addr-line>
          ,
          <country country="DE">Germany</country>
        </aff>
        <aff id="aff1">
          <label>1</label>
          <institution>Institute for Research in Applicable Computing, University of Bedfordshire</institution>
          ,
          <country country="UK">UK</country>
        </aff>
        <aff id="aff2">
          <label>2</label>
          <institution>University of Toulouse, Computer Science Department</institution>
          ,
          <addr-line>IRIT UMR 5505</addr-line>
          ,
          <country country="FR">France</country>
        </aff>
      </contrib-group>
      <pub-date>
        <year>2018</year>
      </pub-date>
      <abstract>
        <p>The Bibliometric-enhanced Information Retrieval (BIR) workshop series has started at ECIR in 2014 and serves as the annual gathering of IR researchers who address various information-related tasks on scientific corpora and bibliometrics. We welcome contributions elaborating on dedicated IR systems, as well as studies revealing original characteristics on how scientific knowledge is created, communicated, and used. This editorial presents all accepted papers at the 7th BIR workshop at ECIR 2018 in Grenoble, France.</p>
      </abstract>
      <kwd-group>
        <kwd>Bibliometrics</kwd>
        <kwd>Scientometrics</kwd>
        <kwd>Informetrics</kwd>
        <kwd>Information Retrieval</kwd>
        <kwd>Digital Libraries</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body>
    <sec id="sec-1">
      <title>Introduction</title>
      <p>
        The Bibliometric-enhanced Information Retrieval (BIR) workshop series has
started at ECIR in 2014 [
        <xref ref-type="bibr" rid="ref1">1</xref>
        ] and serves as the annual gathering of IR researchers
who address various information-related tasks on scientific corpora and
bibliometrics [
        <xref ref-type="bibr" rid="ref2">2</xref>
        ]. The workshop features original approaches to search, browse, and
discover value-added knowledge from scientific documents and related
information networks (e.g., terms, authors, institutions, references). We welcome
contributions elaborating on dedicated IR systems, as well as studies revealing original
characteristics on how scientific knowledge is created, communicated, and used.
      </p>
      <p>
        The current incarnation is a continuation of the evolution of our workshop
series. The first BIR workshops set the research agenda by introducing the
workshop topics, illustrating state-of-the-art methods, reporting on current research
problems, and brainstorming about common interests. For the fourth workshop,
co-located with the ACM/IEEE-CS JCDL 2016, we broadened the workshop
scope and interlinked the BIR workshop with the natural language processing
(NLP) and computational linguistics field [
        <xref ref-type="bibr" rid="ref3">3</xref>
        ].
      </p>
      <p>This 7th full-day BIR workshop at ECIR 20184 aims to foster a common
ground for the incorporation of bibliometric-enhanced services (including text
mining functionality) into scholarly search engine interfaces. In particular we
address specific communities, as well as studies on large, cross-domain collections.
This workshop strives to feature contributions from core bibliometricians and
core IR specialists who already operate at the interface between scientometrics
and IR.
2</p>
    </sec>
    <sec id="sec-2">
      <title>Overview of the papers</title>
      <p>This year’s workshop hosts two keynotes as well as a set of regular papers and
two demos. The publications are briefly introduced in the following subsections.
2.1</p>
      <sec id="sec-2-1">
        <title>Keynotes</title>
        <p>In this workshop we will have two inspirational keynotes to kick-start thinking
and discussion on the workshop topic. This will be followed by paper
presentations and demos in a format that we found to be successful at previous BIR
workshops.</p>
        <p>
          Cyril Labbé tackles a hot topic in his keynote titled “Trends in gaming
indicators: On failed attempts at deception and their computerised detection” [
          <xref ref-type="bibr" rid="ref4">4</xref>
          ].
He outlines various efforts to manipulate indicators by tricking the scientific
community (e.g., by submitting automatically generated papers). Other issues
undermining the trust we place in peer-reviewed science are examined, such as
data–results mismatch impeding the reproduction of results in cancer research.
Labbé surveys his recent work in these areas while reflecting on the potential of
B+IR (bibliometrics and information retrieval) to address these critical issues.
        </p>
        <p>
          Ralf Schenkel presents in his keynote “Integrating and exploiting metadata
sources in a bibliographic information system” [
          <xref ref-type="bibr" rid="ref5">5</xref>
          ] an in-depth summary of
recent metadata activities in the computer science bibliography DBLP which is
maintained by Schloss Dagstuhl and University of Trier. He outlines procedures
for monitoring, selecting and prioritizing computer science venue for inclusion in
the DBLP bibliography. A special focus is given to author disambiguation and
utilization of citation data.
2.2
        </p>
      </sec>
      <sec id="sec-2-2">
        <title>Regular papers</title>
        <p>
          Sarol, Liu, and Schneider propose a citation and text-based publication retrieval
framework [
          <xref ref-type="bibr" rid="ref6">6</xref>
          ]. After the user provides some seed articles, the system collects
papers connected by citations and applies a combination of citation- and
textbased filtering methods. The framework is evaluated in a systematic reviewing
task.
        </p>
        <p>
          Ollagnier, Fournier, and Bellot highlight the central references of a paper
based on the mining of its fulltext, quantifying the occurences of all in-text
references [
          <xref ref-type="bibr" rid="ref7">7</xref>
          ]. They benchmarked this approach compared to a system in production
at OpenEdition,5 and discuss the results in terms of enhanced relevance.
        </p>
        <sec id="sec-2-2-1">
          <title>5 https://www.openedition.org</title>
          <p>
            In their article on query expansion, Rattinger, Le Goff, and Guetl combine
word embeddings and co-authorship relations [
            <xref ref-type="bibr" rid="ref8">8</xref>
            ]. The set of documents used
for pseudo-relevance feedback is enriched by similar documents from co-authors,
applying a locally trained Word2Vec model. Adding similar documents from
co-authors significantly improved the baseline.
          </p>
          <p>
            Bertin and Atanassova report on the construction of the InTeReC dataset [
            <xref ref-type="bibr" rid="ref9">9</xref>
            ].
Utilising different section types from PLOS articles, InTeReC consists of within
text references and their surrounding sentences. Additionally, verb phrases are
extracted that provide an idea of the nature of the reference.
          </p>
          <p>
            Kacem and Mayr investigated the usage and influence of a specific search
stratagem – the Journal Run – in an academic search engine log file [
            <xref ref-type="bibr" rid="ref10">10</xref>
            ]. They
studied the frequency and stage of use of journal run as well as its impact on
sessions. The authors found that the frequency of usage of the analyzed journals
is not related to the impact factor within these sessions and that the size of the
journal (Bradford Zones) has an insignificant correlation.
2.3
          </p>
        </sec>
      </sec>
      <sec id="sec-2-3">
        <title>Demo papers</title>
        <p>
          Cataldi, Di Caron, and Schifanella designed the d-index to evaluate the degree
of dependence of a researcher with respect to his/her co-authors over time. They
implemented this indicator and demonstrate it online6 with DBLP as a
bibliographic datasource [
          <xref ref-type="bibr" rid="ref11">11</xref>
          ].
        </p>
        <p>
          The demo paper by Bessagnet presents a framework which combines
thematic, temporal and spatial features of Twitter tweets in the field of Human and
Social Sciences [
          <xref ref-type="bibr" rid="ref12">12</xref>
          ]. The author proposes 5 W dimensions (who, when, what,
where, why) for the analysis of tweets.
3
        </p>
      </sec>
    </sec>
    <sec id="sec-3">
      <title>Outlook</title>
      <p>While the past workshops laid the foundations for further work and also made the
benefit of bringing information retrieval and bibliometrics together more explicit,
there are still many challenges ahead. One of them is to provide infrastructures
and testbeds for the evaluation of retrieval approaches that utilise
bibliometrics and scientometrics. To this end, a focus of the proposed workshop and the
discussion will be on real experimentations (including demos) and industrial
participation. This line was started in a related workshop at JCDL (BIRNDL 2016)
and continued at SIGIR (BIRNDL 2017), but with a focus on digital libraries
and computational linguistics. Given the complex information needs scholars are
usually facing, we will emphasize information retrieval and information seeking
and searching aspects.</p>
      <p>
        In 2015 we published a first special issue on “Combining Bibliometrics and
Information Retrieval” in Scientometrics [
        <xref ref-type="bibr" rid="ref2">2</xref>
        ]. A special issue on “Bibliometrics,
Information Retrieval and Natural Language Processing in Digital Libraries” will
      </p>
      <sec id="sec-3-1">
        <title>6 http://d-index.di.unito.it</title>
        <p>
          appear in 2018 in the International Journal on Digital Libraries [
          <xref ref-type="bibr" rid="ref13">13</xref>
          ]. Another
special issue on “Bibliometric-enhanced Information retrieval and
Scientometrics” is in preparation for the Scientometrics journal.
        </p>
        <p>Since 2016 we maintain the “Bibliometric-enhanced-IR Bibliography” 7 which
collects scientific papers which appear in collaboration with the BIR/BIRNDL
organizers.
4</p>
      </sec>
    </sec>
    <sec id="sec-4">
      <title>Acknowledgement</title>
      <p>We wish to thank all those who have contributed to the workshop proceedings:
all the contributing authors and the many reviewers who generously offered their
time and expertise.
7 https://github.com/PhilippMayr/Bibliometric-enhanced-IR_Bibliography/</p>
    </sec>
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