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    <article-meta>
      <title-group>
        <article-title>Using sociological needs to characterize pro les and contents for Microblog search</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <string-name>Jean-Valere Cossu</string-name>
          <email>jvcossu@vodkaster.com2</email>
          <xref ref-type="aff" rid="aff0">0</xref>
          <xref ref-type="aff" rid="aff1">1</xref>
        </contrib>
        <contrib contrib-type="author">
          <string-name>Florence Andreacola</string-name>
          <xref ref-type="aff" rid="aff1">1</xref>
        </contrib>
        <aff id="aff0">
          <label>0</label>
          <institution>My Local In uence - Marseille</institution>
          ,
          <country country="FR">France</country>
        </aff>
        <aff id="aff1">
          <label>1</label>
          <institution>U3ICM/Universite Grenoble Alpes - CS 40700 - 38058 Grenoble CEDEX 9</institution>
          ,
          <addr-line>France Vodkaster - Paris</addr-line>
          ,
          <country country="FR">France</country>
        </aff>
      </contrib-group>
      <abstract>
        <p>In this work we investigate the issue of modeling users' sociological needs. We introduce a sociological model approach for Microblog Search based sociological needs Categorization and Opinion Mining from textual content to explain why Vodkaster's 100,000 users express their opinions and how it can be used for Microblog Search about Festival.</p>
      </abstract>
    </article-meta>
  </front>
  <body>
    <sec id="sec-1">
      <title>Summary</title>
      <p>Queries used for the Microblog Search task from Micro Blog Cultural
Contextualization CLEF lab are extracted from the French VodKaster Film Micro Reviews
dealing with festival. Microblog Search task aims at nding the most relevant
tweets to each queries.</p>
      <p>
        Since 2009, Vodkaster has been providing an unique digital movie experience,
by self establishing a position as a pioneer in tomorrow's movie experience. As
an online social media, Vodkaster carries the proven concept of Twitter's 140
characters to allow its users to share their movies experiences using Microblog
like reviews combined with typical ve stars ratings. Later, from 2014 to 2016,
Vodkaster launched the rst digital DVD market-place [
        <xref ref-type="bibr" rid="ref1">1</xref>
        ] mastering the whole
process from digitization to personalized recommendation [
        <xref ref-type="bibr" rid="ref2">2</xref>
        ] and selling [
        <xref ref-type="bibr" rid="ref3">3</xref>
        ]
going from DVD to E-Cinema experience.
      </p>
      <p>As well as on each Social Media, Vodkaster users' are getting used to talk
about anything and everything related to movies. More than explicit vote and
implicitly by the mean of natural language, these users express di erent kind of
opinion. As these reviews a ect popularity and reputation of movies, directors,
and then business, both reviews and authors may not have the same importance.</p>
      <p>In this work we investigate the issue of modeling users' sociological needs. We
introduce a sociological model approach for Microblog search based on
sociological needs Categorization and Opinion Mining from textual content to explain
why these users expressed their opinions.</p>
      <p>
        Our objective is to observe why Vodkaster's users write their opinions, then
by looking at the most similar twitter contents we aim at retrieving the same
writing reasons. For this analyzis, we rely on the tweet corpus collected on in the
framework of the CLEF 2017 Microblog Cultural Contextualization Track (the
MC2@CLEF2017 lab has released a collection of 70 000 000 microblogs over 18
months dealing with cultural events the Microblog) [
        <xref ref-type="bibr" rid="ref4">4</xref>
        ]. Within this large corpus,
we will study the .
2
      </p>
    </sec>
    <sec id="sec-2">
      <title>VodKaster users' need categorization</title>
      <p>We did analyze the 75 micro critics used as topics for the MC2 microblog search
task in French. All these micro-critics mention some festival. We identi ed the
following needs:
{ Social relations (68%): socialization, identi cation with others, feeling of
belonging, subjects of social conversations and interactions, substitution of
interaction in real life,
{ Emotional needs(21%): emotions, pleasure or feelings.
{ Personal integration needs (1%): credibility, stability, status
{ Personal identi cation (1%): developing, strengthening one's identity and
values, seeking models, or behaving, identifying with an ideal
{ Search for information (1%)
{ Others (8%)
3</p>
    </sec>
    <sec id="sec-3">
      <title>Correspondence with twitter users' need</title>
      <p>Based on the Indri index provided by organizers we identi ed few microblogs
that correspond to VodKaster users' need meanwhile they deal with similar
topics like Cannes festival and lms. Therefore, while syntactic and semantic
analysis highlight the similarity between micro-critics and twitts, the in deep
sociological analysis explains the existence of two distinct communities.</p>
      <p>Among rst 20 topics only 21 retrieved microblogs based on language model
did correspond to VodKaster user's identi ed need. These 21 microblogs refer to
the following seven topics:
{ MC22017fr09 (Social Relations), The Rover: \Vide et poseur, le lm de clture
de festival pour bobos par excellence". ,
{ MC22017fr10 (Social Relations), Maps to the Stars: \Le vrai meilleur lm
du festival de Cannes.",
{ MC22017fr12 (Social Relations), Phnomnes: \La chronique du festival de</p>
      <p>Kyan est su samment loquente je crois...",
{ MC22017fr13 (Emotional needs), Take Shelter:\Je me souviens en 2011, de
cette claque au festival de Deauville. En 2014, le lm repasse au festival et
la claque est toujours l",
{ MC22017fr17 (Social Relations), This is not a love story: \This is not a love
story, c'est comme le festival de Sundance plein de bonnes ides et de bon
sentiment mais force cela devient strotyp",
{ MC22017fr18 (Emotional needs), Chante ton bac d'abord: \ Un
documentaire que j'ai eu l'occasion de voir au festival du FIGRA du Touquet, et que
j'ai ador, un lm que je recommande grandement."
{ MC22017fr19 (Emotional needs), Prsum coupable: \ Le dsarroi criant que
le spectateur n'a aucun mal ressentir... Merci pour ce festival d'motions...</p>
      <p>Qui tord les tripes !"</p>
    </sec>
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