R. M. Alguliev, R. M. Aliguliyev, M. S. Hajirahimova, and C. A. Mehdiyev, MCMR: Maximum coverage and minimum redundant text summarization model, Expert Syst. Appl, vol.38, issue.12, pp.14514-14522, 2011.

J. Allan, HARD Track Overview in TREC 2005 High Accuracy Retrieval from Documents, The Fourteenth Text REtrieval Conference (TREC 2005) Proceedings, NIST Special Publication: SP, pp.500-266, 2005.

E. Amigò, J. Carrillo-de-albornoz, I. Chugur, A. Corujo, J. Gonzalo et al., Overview of replab 2013: Evaluating online reputation monitoring systems, Information Access Evaluation. Multilinguality, Multimodality, and Visualization, vol.8138, pp.333-352, 2013.

N. Balasubramanian, J. Allan, and W. B. Croft, A comparison of sentence retrieval techniques, pp.813-814, 2007.

K. Balog, P. Serdyukov, and A. P. Vries, Overview of the trec 2011 entity track, The Twentieth Text REtrieval Conference, 2011.

K. Balog, P. Serdyukov, A. P. Vries, P. Thomas, and T. Westervelf, Overview of the trec 2010 entity track, The Eighteenth Text REtrieval Conference, 2009.

A. Bandyopadhyay, S. Pal, M. Mitra, P. Majumder, and K. Ghosh, Passage retrieval for tweet contextualization at inex 2012, vol.34, 2012.

P. Bellot, V. Moriceau, J. Mothe, E. Sanjuan, and X. Tannier, Overview of INEX tweet contextualization 2013 track, Working Notes for CLEF 2013 Conference, 2013.
URL : https://hal.archives-ouvertes.fr/hal-01140592

P. Bellot, V. Moriceau, J. Mothe, E. Sanjuan, and X. Tannier, Overview of INEX tweet contextualization 2014 track, vol.1180, pp.494-500, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01138069

P. N. Bennett, F. Radlinski, R. W. White, and E. Yilmaz, Inferring and using location metadata to personalize web search, Proceedings of the 34th international ACM SIGIR conference on Research and development in Information Retrieval. SIGIR '11, pp.135-144, 2011.

P. Bhaskar, S. Banerjee, and S. Bandyopadhyay, Tweet Contextualization (Answering Tweet Question) -the Role of Multi -document Summarization, CLEF (Working Notes), 2013.

P. Bhaskar, S. Banerjee, S. Neogi, and S. Bandyopadhyay, A hybrid QA system with focused IR and automatic summarization for INEX, Focused Retrieval of Content and Structure, 10th International Workshop of the Initiative for the Evaluation of XML Retrieval, pp.207-218, 2011.

L. Candillier, M. Chevalier, D. Dudognon, and J. Mothe, Diversity in recommender systems: Bridging the gap between users and systems, Proceedings of the International Conference on Advances in Human-oriented and Personalized Mechanisms, Technologies, and Services. CENTRIC11, pp.48-58, 2011.

L. Cappellato, N. Ferro, and M. Halvey, Working Notes for CLEF 2014 Conference, CEUR Workshop Proceedings, vol.1180, 2014.

C. Carpineto and G. Romano, A survey of automatic query expansion in information retrieval, ACM Comput. Surv, vol.44, issue.1, 2012.

J. S. Chall and E. Dale, Readability revisited: The new Dale-Chall readability formula, 1995.

G. Chatzopoulou, M. Eirinaki, and N. Polyzotis, Query recommendations for interactive database exploration, Proceedings of the 21st International Conference on Scientific and Statistical Database Management. SSDBM, pp.3-18, 2009.

C. Chen, F. Ibekwe-sanjuan, and J. Hou, The structure and dynamics of cocitation clusters: A multiple-perspective cocitation analysis, JASIST, vol.61, issue.7, pp.1386-1409, 2010.
URL : https://hal.archives-ouvertes.fr/hal-00638091

C. L. Clarke, N. Craswell, and I. Soboroff, Overview of the trec 2009 web track, 2009.

F. Crestani and I. Ruthven, Introduction to special issue on contextual information retrieval systems, Information Retrieval, vol.10, issue.2, pp.111-113, 2007.

C. J. Crouch, D. B. Crouch, S. Chittilla, S. Nagalla, S. Kulkarni et al., The 2012 inex snippet and tweet contextualization tasks, 2012.

H. Dang, Overview of the TAC 2008 Opinion Question Answering and Summarization Tasks, Proc. of the First Text Analysis Conference, 2008.

H. Dang, Overview of the TAC 2008 Opinion Question Answering and Summarization Tasks, Proceedings of the First Text Analysis Conference, 2008.

A. Dean-hall, C. L. Clarke, J. Kamps, P. Thomas, and E. Voorhees, Overview of the trec 2012 contextual suggestion track, The Twenty-First Text REtrieval Conference, 2012.

R. Deveaud and F. Boudin, Lia/lina at the inex 2012 tweet contextualization track, vol.34, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00755496

R. Deveaud and F. Boudin, Contextualisation automatique de tweetsà partir de wikipédia, CORIA 2013 -Conférence en Recherche d'Infomations et Applications -10th French Information Retrieval Conference, pp.125-140, 2013.

R. Deveaud and F. Boudin, Effective tweet contextualization with hashtags performance prediction and multi-document summarization, Working Notes for CLEF 2013 Conference, 2013.
URL : https://hal.archives-ouvertes.fr/hal-00917956

S. Dumais, E. Cutrell, J. Cadiz, G. Jancke, R. Sarin et al., Stuff i've seen: a system for personal information retrieval and re-use, Proceedings of the 26th annual international ACM SIGIR conference on Research and development in informaion retrieval. SIGIR '03, pp.72-79, 2003.

M. Ekstrand-abueg, V. Pavlu, and J. A. Aslam, Live nuggets extractor: a semi-automated system for text extraction and test collection creation, Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval, pp.1087-1088, 2013.

L. Ermakova, A Method for Short Message Contextualization: Experiments at CLEF/INEX, Experimental IR meets Multilinguality, Multimodality, and Interaction -Sixth International Conference of the CLEF Association, Proceedings. LNCS, vol.9283, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01343032

L. Ermakova and J. Mothe, Irit at inex 2012: Tweet contextualization, CLEF (Online Working Notes/Labs/Workshop), 2012.

L. Ermakova and J. Mothe, Irit at inex: question answering task, Focused Retrieval of Content and Structure, pp.219-226, 2012.

L. Feng, M. Jansche, M. Huenerfauth, and N. Elhadad, A Comparison of Features for Automatic Readability Assessment, Proceedings of COLING 2010, 2010.

P. Forner and J. Karlgren, 2012. CLEF 2012 Evaluation Labs and Workshop, Online Working Notes, 2012.

D. Ganguly, J. Leveling, and G. J. Jones, Dcu@inex-2012: Exploring sentence retrieval for tweet contextualization, 2012.

J. P. Gee, An introduction to discourse analysis: Theory and method, 2014.

S. Geva, J. Kamps, and R. Schenkel, Comparative Evaluation of Focused Retrieval -9th International Workshop of the Inititative for the Evaluation of XML Retrieval, Lecture Notes in Computer Science, vol.2010, 2010.

S. Geva and J. Kamps, Focused Retrieval and Evaluation, 8th International Workshop of the Initiative for the Evaluation of XML Retrieval, Lecture Notes in Computer Science, vol.6203, 2009.

K. Gimpel, N. Schneider, B. O'connor, D. Das, D. Mills et al., Part-Of-Speech tagging for Twitter: annotation, features and experiments, Proceedings of HLT, vol.2, 2011.

M. Halliday and R. Hasan, , 1976.

L. Hennig, D. , L. E. , S. , and A. , Learning Summary Content Units with Topic Modeling, Proceeding of COLING '10 (Posters), pp.391-399, 2010.

N. Hernandez, J. Mothe, C. Chrisment, and D. Egret, Modeling context through domain ontologies, Information Retrieval, vol.10, issue.2, pp.143-172, 2007.

A. Imafouo and X. Tannier, Retrieval status values in information retrieval evaluation, 12th International Conference, SPIRE 2005, vol.3772, pp.224-227, 2005.
URL : https://hal.archives-ouvertes.fr/hal-00406840

P. Ingwersen and K. Järvelin, The turn: Integration of information seeking and retrieval in context, vol.18, 2006.

Y. Koren, Collaborative filtering with temporal dynamics, Commun. ACM, vol.53, issue.4, pp.89-97, 2010.

W. Kraaij, A. P. De-vries, C. L. Clarke, and N. Fuhr, SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2007.

A. L. Laureano-cruces and J. Ramírez-rodríguez, A graph-based summarization system at qa@inex track, Focused Retrieval of Content and Structure, 10th International Workshop of the Initiative for the Evaluation of XML Retrieval, pp.227-231, 2011.

C. Y. Lin, ROUGE: A Package for Automatic Evaluation of Summaries, Proceedings of the Workshop on Text Summarization Branches Out (WAS), 2004.

J. J. Lin and P. Zhang, Deconstructing Nuggets: the Stability and Reliability of Complex Question Answering Evaluation, pp.327-334, 2007.

A. C. Linhares, An automatic greedy summarization system at INEX 2013 tweet contextualization track, Working Notes for CLEF 2013 Conference, 2013.

A. Louis and A. Nenkova, Performance confidence estimation for automatic summarization, EACL. The Association for Computer Linguistics, pp.541-548, 2009.

C. D. Manning, M. Surdeanu, J. Bauer, J. Finkel, S. J. Bethard et al., The Stanford CoreNLP natural language processing toolkit, Proceedings of 52nd Annual Meeting of the Association for Computational Linguistics: System Demonstrations, pp.55-60, 2014.

C. Méndez-cruz, J. Torres-moreno, A. M. Urrea, and G. Sierra, Extrinsic evaluation on automatic summarization tasks: Testing affixality measurements for statistical word stemming, Advances in Computational Intelligence -11th Mexican International Conference on Artificial Intelligence, MICAI 2012, vol.7630, pp.46-57, 2012.

C. Méndez-cruz, E. Soriano-morales, and A. M. Urrea, Testing a statistical word stemmer based on affixality measurements in inex 2012 tweet contextualization track, 2012.

D. Metzler and W. B. Croft, Combining the language model and inference network approaches to retrieval, Inf. Process. Manage, vol.40, issue.5, pp.735-750, 2004.

M. Morchid and G. Linarès, Inex 2012 benchmark a semantic space for tweets contextualization, vol.34, 2012.

V. Moriceau, E. Sanjuan, X. Tannier, and P. Bellot, Overview of the 2009 QA Track: Towards a Common Task for QA, Focused IR and Automatic Summarization Systems, Proceedings of INEX, 2009.
URL : https://hal.archives-ouvertes.fr/hal-01319812

A. Nenkova, J. Chae, A. Louis, and E. Pitler, Structural features for predicting the linguistic quality of text -applications to machine translation, automatic summarization and human-authored text, Empirical Methods in Natural Language Generation: Data-oriented Methods and Empirical Evaluation, vol.5790, pp.222-241, 2010.

A. Nenkova and R. Passonneau, Evaluating content selection in summarization: The pyramid method, Proceedings of HLT-NAACL, 2004.

A. Nenkova and R. Passonneau, Evaluating content selection in summarization: The pyramid method, Proceedings of HLT-NAACL, 2004.

P. Ogilvie, E. Voorhees, and J. Callan, On the number of terms used in automatic query expansion, Inf. Retr, vol.12, issue.6, pp.666-679, 2009.

P. Pakray, P. Bhaskar, S. Pal, D. Das, S. Bandyopadhyay et al., JU CSE TE: System Description QA@CLEF 2010 -ResPubliQA, Cross-Language Evaluation Forum, 2010.

V. Pavlu, S. Rajput, P. B. Golbus, and J. A. Aslam, IR system evaluation using nugget-based test collections, Proceedings of the fifth ACM international conference on Web Search and Data Msagining (WSDM), pp.393-402, 2012.

A. Peñas, P. Forner, Á. Rodrigo, R. F. Sutcliffe, C. Forascu et al., Overview of respubliqa 2010: Question answering evaluation over european legislation, CLEF 2010 LABs and Workshops, Notebook Papers, vol.1176, pp.22-23, 2010.

E. Pitler and A. Nenkova, Revisiting readability: A unified framework for prediction text quality, Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing, 2008.

D. Radev, T. Allison, S. Blair-goldensohn, J. Blitzer, A. Elebi et al., MEAD: a platform for multidocument multilingual text summarization, Proceedings of LREC, 2004.

H. Saggion, SUMMA Content Extraction for INEX2011, Proceedings of INEX2011, 2011.

H. Saggion, J. Torres-moreno, I. Da-cunha, E. Sanjuan, and P. Velázquez-morales, Multilingual Summarization Evaluation without Human Models, COLING 2010, 23rd International Conference on Computational (poster session), pp.1059-1067, 2010.

E. Sanjuan, P. Bellot, V. Moriceau, and X. Tannier, Overview of the inex 2010 question answering track (qa@inex), pp.269-281, 2010.
URL : https://hal.archives-ouvertes.fr/hal-01320279

E. Sanjuan and F. Ibekwe-sanjuan, Multi word term queries for focused information retrieval, Computational Linguistics and Intelligent Text Processing, 11th International Conference, vol.6008, pp.590-601, 2010.
URL : https://hal.archives-ouvertes.fr/hal-00635283

E. Sanjuan, V. Moriceau, X. Tannier, P. Bellot, and J. Mothe, Focused Retrieval of Content and Structure, vol.7424, pp.188-206, 2012.

E. Sanjuan, V. Moriceau, X. Tannier, P. Bellot, and J. Mothe, Overview of the inex 2012 tweet contextualization track, p.148, 2012.

H. Schmid, Probabilistic Part-of-Speech Tagging Using Decision Trees, International Conference on New Methods in Language Processing, 1994.

X. Shen, B. Tan, and C. Zhai, Context-sensitive information retrieval using implicit feedback, Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval. SIGIR '05, pp.43-50, 2005.

L. Tamine-lechani, M. Boughanem, and M. Daoud, Evaluation of contextual information retrieval effectiveness: overview of issues and research, Knowledge and Information Systems, vol.24, issue.1, pp.1-34, 2010.

J. Tavernier and P. Bellot, Flesch and dale-chall readability measures for INEX 2011 question-answering track. In: Focused Retrieval of Content and Structure, 10th International Workshop of the Initiative for the Evaluation of XML Retrieval, pp.235-246, 2011.

J. Torres-moreno, Three statistical summarizers at CLEF-INEX 2013 tweet contextualization track, vol.1180, pp.565-573, 2014.

J. Torres-moreno and M. Gagnon, The cortex automatic summarization system at the qa@inex track 2010, pp.290-294, 2010.

J. Torres-moreno and J. Ramirez, REG : un algorithme glouton appliqué au résumé automatique de texte, Proceedings of JADT, 2010.

M. Trappett, S. Geva, A. Trotman, F. Scholer, and M. Sanderson, Overview of the inex 2012 snippet retrieval track, 2012.

T. A. Van-dijk, Society and discourse: How social contexts influence text and talk, 2009.

J. Vivaldi and I. Da-cunha, Inex tweet contextualization track at clef 2012: Query reformulation using terminological patterns and automatic summarization, 2012.

J. Wang, S. Robertson, A. P. Vries, and M. J. Reinders, Probabilistic relevance ranking for collaborative filtering, Inf. Retr, vol.11, issue.6, pp.477-497, 2008.

J. Wang, Z. Zhao, J. Zhou, H. Wang, B. Cui et al., Recommending flickr groups with social topic model, Inf. Retr, vol.15, issue.3-4, pp.278-295, 2012.

R. Wodak and M. Meyer, Methods of critical discourse analysis, 2001.