Christina Lioma

2019

Contextual compositionality detection with external knowledge bases and word embeddings

Wang, D., Li, Q., Lima, L. C., Simonsen, J. G. & Lioma, C., 2019, The Web Conference 2019 - Companion of the World Wide Web Conference, WWW 2019. Association for Computing Machinery, p. 317-323 7 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

1 Citation (Scopus)

29 Downloads (Pure)

Neural check-worthiness ranking with weak supervision: Finding sentences for fact-checking

Hansen, C., Hansen, C., Alstrup, S., Simonsen, J. G. & Lioma, C., 2019, The Web Conference 2019 - Companion of the World Wide Web Conference, WWW 2019. Association for Computing Machinery, p. 994-1000 7 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

8 Citations (Scopus)

37 Downloads (Pure)

Neural speed reading with structural-jump-LSTM

Hansen, C., Hansen, C., Alstrup, S., Simonsen, J. G. & Lioma, C., 2019.

Research output: Contribution to conference › Paper › Research › peer-review

6 Citations (Scopus)

Neural weakly supervised fact check-worthiness detection with contrastive sampling-based ranking loss

Hansen, C., Hansen, C., Simonsen, J. G. & Lioma, C., 2019, In: CEUR Workshop Proceedings. 2380, 8 p.

Research output: Contribution to journal › Conference article › Research › peer-review

2 Citations (Scopus)

To Phrase or Not to Phrase – Impact of User versus System Term Dependence Upon Retrieval

Lioma, C., Larsen, B. & Ingwersen, P., 2019, (Accepted/In press) In: Data and Information Management.

Research output: Contribution to journal › Journal article › Research › peer-review

2018

Predicting Antimicrobial Drug Consumption Using Web Search Data

Hansen, N. D., Mølbak, K., Cox, I. J. & Lioma, C., 23 Apr 2018, Proceedings of the 2018 International Conference on Digital Health. Association for Computing Machinery, p. 133-142 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

2 Citations (Scopus)

The Copenhagen Team Participation in the Check-Worthiness Task of the Competition of Automatic Identification and Verification of Claims in Political Debates of the CLEF-2018 CheckThat! Lab

Hansen, C., Hansen, C., Simonsen, J. G. & Lioma, C., 2018, CLEF 2018 Working Notes. Cappellato , L., Ferro , N., Nie, J.-Y. & Soulier, L. (eds.). 10 ed. CEUR-WS.org, 8 p. 81. (CEUR Workshop Proceedings, Vol. 2125).

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

4 Citations (Scopus)

79 Downloads (Pure)

The Copenhagen team participation in the factuality task of the competition of automatic identification and verification of claims in political debates of the CLEF-2018 Fact Checking Lab

Wang, D., Simonsen, J. G., Larsen, B. & Lioma, C., 2018, CLEF 2018 Working Notes. Cappellato , L., Ferro , N., Nie, J.-Y. & Soulier, L. (eds.). 10 ed. CEUR-WS.org, 10 p. 98. (CEUR Workshop Proceedings, Vol. 2125).

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

2 Citations (Scopus)

65 Downloads (Pure)

2017

A study of metrics of distance and correlation between ranked lists for compositionality detection

Lioma, C. & Hansen, N. D., Aug 2017, In: Cognitive Systems Research. 44, p. 40-49 10 p.

Research output: Contribution to journal › Journal article › Research › peer-review

3 Citations (Scopus)

Evaluation measures for relevance and credibility in ranked lists

Lioma, C., Simonsen, J. G. & Larsen, B., 2017, Proceedings of the 2017 ACM SIGIR International Conference on Theory of Information Retrieval. Association for Computing Machinery, p. 91-98 8 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

8 Citations (Scopus)

Seasonal Web Search Query Selection for Influenza-Like Illness (ILI) Estimation

Hansen, N. D., Mølbak, K., Cox, I. J. & Lioma, C., 7 Aug 2017, SIGIR '17 Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery, p. 1197-1200

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

6 Citations (Scopus)

Sequence Modeling for Analysing Student Interaction with Educational Systems

Hansen, C., Hansen, C., Hjuler, N. O. D., Alstrup, S. & Lioma, C., 25 Jun 2017, Proceedings of the 10th International Conference on Educational Data Mining, EDM 2017, Wuhan, Hubei, China, June 25-28, 2017. Hu, X., Barnes, T., Hershkovitz, A. & Paquette, L. (eds.). International Educational Data Mining Society (IEDMS), p. 232-237 (Proceedings of the 10th International Conference on Educational Data Mining, EDM 2017, Wuhan, Hubei, China, June 25 – 28, 2017).

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Smart city analytics: ensemble-learned prediction of citizen home care

Hansen, C., Hansen, C., Alstrup, S. & Lioma, C., 2017, Proceedings of the 2017 ACM Conference on Information and Knowledge Management. Association for Computing Machinery, p. 2095-2098 4 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Time-Series Adaptive Estimation of Vaccination Uptake Using Web Search Queries

Dalum Hansen, N., Mølbak, K., Cox, I. J. & Lioma, C., 2017, Proceedings of the 26th International Conference on World Wide Web Companion. International World Wide Web Conferences Steering Committee, p. 773-774

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

6 Citations (Scopus)

67 Downloads (Pure)

2016

Adaptive distributional extensions to DFR ranking

Petersen, C., Simonsen, J. G., Järvelin, K. & Lioma, C., 24 Oct 2016, Proceedings of the 25th ACM International Conference on Information and Knowledge Management. Association for Computing Machinery, p. 2005-2008 4 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

4 Citations (Scopus)

An improved multileaving algorithm for online ranker evaluation

Brost, B., Cox, I. J., Seldin, Y. & Lioma, C., 7 Jul 2016, Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval: SIGIR '16. Association for Computing Machinery, p. 745-748 4 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

9 Citations (Scopus)

A study of factuality, objectivity and relevance: three desiderata in large-scale information retrieval?

Lioma, C., Larsen, B., Lu, W. & Huang, Y., 6 Dec 2016, Proceedings of the 3rd IEEE/ACM International Conference on Big Data Computing, Applications and Technologies. Association for Computing Machinery, p. 107-117 11 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

2 Citations (Scopus)

Deep learning relevance: creating relevant information (as opposed to retrieving it)

Lioma, C., Larsen, B., Petersen, C. & Simonsen, J. G., 2016. 6 p.

Research output: Contribution to conference › Paper › Research › peer-review

Ensemble learned vaccination uptake prediction using web search queries

Hansen, N. D., Lioma, C. & Mølbak, K., 24 Oct 2016, Proceedings of the 25th ACM International Conference on Information and Knowledge Management. IEEE, p. 1953-1956 4 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

6 Citations (Scopus)

1 Downloads (Pure)

Exploiting the bipartite structure of entity grids for document coherence and retrieval

Lioma, C., Tarissan, F., Simonsen, J. G., Petersen, C. & Larsen, B., 12 Sept 2016, Proceedings of the 2016 ACM International Conference on the Theory of Information Retrieval. Association for Computing Machinery, p. 11-20 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

2 Citations (Scopus)

Multi-dueling bandits and their application to online ranker evaluation

Brost, B., Seldin, Y., Cox, I. J. & Lioma, C., 24 Oct 2016, Proceedings of the 25th ACM International Conference on Information and Knowledge Management. Association for Computing Machinery, p. 2161-2166 6 p. (ACM International Conference on Information and Knowledge Management).

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

11 Citations (Scopus)

On the need for and provision of an 'IDEAL' scholarly information retrieval test collection

Larsen, B. & Lioma, C., 2016, Proceedings of the Third Workshop on Bibliometric-enhanced Information Retrieval (BIR 2016), Padova, Italy, March 20, 2016. Mayr, P., Frommholz, I. & Cabanac, G. (eds.). CEUR-WS.org, p. 73-81 9 p. (CEUR Workshop Proceedings, Vol. 1567).

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

3 Citations (Scopus)

Power law distributions in information retrieval

Petersen, C., Simonsen, J. G. & Lioma, C., Feb 2016, In: A C M Transactions on Information Systems. 34, 2, 37 p., 8.

Research output: Contribution to journal › Journal article › Research › peer-review

22 Citations (Scopus)

2015

A hierarchical recurrent encoder-decoder for generative context-aware query suggestion

Sordoni, A., Bengio, Y., Vahabi, H., Lioma, C., Simonsen, J. G. & Nie, J.-Y., 17 Oct 2015, CIKM '15 Proceedings of the 24th ACM International on Conference on Information and Knowledge Management. Association for Computing Machinery, p. 553-562 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

193 Citations (Scopus)

276 Downloads (Pure)

Entropy and graph based modelling of document coherence using discourse entities: an application to information retrieval

Petersen, C., Lioma, C., Simonsen, J. G. & Larsen, B., 27 Sept 2015, Proceedings of the 2015 International Conference on The Theory of Information Retrieval. Association for Computing Machinery, p. 191-200 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

7 Citations (Scopus)

1 Downloads (Pure)

Non-compositional term dependence for information retrieval

Lioma, C., Simonsen, J. G., Larsen, B. & Hansen, N. D., 9 Aug 2015, SIGIR '15: Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery, p. 595-604 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

12 Citations (Scopus)

2 Downloads (Pure)

The impact of using combinatorial optimisation for static caching of posting lists

Petersen, C., Simonsen, J. G. & Lioma, C., 2015, Information retrieval technology: 11th Asia Information Retrieval Societies Conference, AIRS 2015, Brisbane, QLD, Australia, December 2-4, 2015. Proceedings. Zuccon, G., Geva, S., Joho, H., Scholer, F., Sun, A. & Zhang, P. (eds.). Springer, p. 420-425 6 p. (Lecture notes in computer science, Vol. 9460).

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

77 Downloads (Pure)

2014

Temporal context for authorship attribution: a study of Danish secondary schools

Hansen, N. D., Lioma, C., Larsen, B. & Alstrup, S., 2014, Multidisciplinary information retrieval: 7th Information Retrieval Facility Conference, IRFC 2014, Copenhagen, Denmark, November 10-12, 2014, Proceedings. Lamas, D. & Buitelaar, P. (eds.). Springer, p. 22-40 19 p. (Lecture notes in computer science, Vol. 8849).

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

5 Citations (Scopus)

User generated content search

Blanco, R., Brea, M. E. A. & Lioma, C., 1 Jan 2014, Mining of user generated content. Chua, T.-S. (ed.). CRC Press, p. 167-186 10 p. (Social Media and Social Computing).

Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

2013

Comparative study of search engine result visualisation: ranked lists versus graphs

Petersen, C., Lioma, C. & Simonsen, J. G., 2013, Proceedings of the 3rd European Workshop on Human-Computer Interaction and Information Retrieval co-located with the 36th international ACM SIGIR conference on Research and development in information retrieval (SIGIR 2013). Wilson, M. L., , T.R.-R., Larsen, B., Hansen, P. & Norling, K. (eds.). p. 27-30 4 p. (CEUR Workshop Proceedings, Vol. 1033).

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

4 Downloads (Pure)

FindZebra: a search engine for rare diseases

Dragusin, R., Petcu, P., Lioma, C., Larsen, B., Jørgensen, H. L., Cox, I. J., Hansen, L. K., Ingwersen, P. & Winther, O., Jun 2013, In: International Journal of Medical Informatics. 82, 6, p. 528-538 11 p.

Research output: Contribution to journal › Journal article › Research › peer-review

39 Citations (Scopus)

299 Downloads (Pure)

Specialised tools are needed when searching the web for rare disease diagnoses

Dragusin, R., Petcu, P., Lioma, C., Larsen, B., Jørgensen, H. L., Cox, I., Hansen, L. K., Ingwersen, P. & Winther, O., 2013, In: Rare Diseases. 1, 1, 4 p., e25001.

Research output: Contribution to journal › Journal article › Research › peer-review

3379 Downloads (Pure)

2012

An exploratory study into perceived task complexity, topic specificity, and usefulness for integrated search

Ingwersen, P., Lioma, C., Larsen, B. & Wang, P., 2012, Proceedings of the 4th Information Interaction in Context Symposium. Association for Computing Machinery, p. 302-305 4 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

1 Citation (Scopus)

Fixed versus dynamic co-occurrence windows in TextRank term weights for information retrieval

Lu, W., Cheng, Q. & Lioma, C., 2012, Proceedings of the 35th international ACM SIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery, p. 1079-1080 2 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

1 Citation (Scopus)

Graph-based term weighting for information retrieval

Blanco, R. & Lioma, C., Feb 2012, In: Information Retrieval. 15, 1, p. 54-92 39 p.

Research output: Contribution to journal › Journal article › Research › peer-review

103 Citations (Scopus)

Preliminary experiments using subjective logic for the polyrepresentation of information needs

Lioma, C., Larsen, B. & Ingwersen, P., 2012, Proceedings of the 4th Information Interaction in Context Symposium. Association for Computing Machinery, p. 174-183 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

6 Citations (Scopus)

582 Downloads (Pure)

Preliminary study of technical terminology for the retrieval of scientific book metadata records

Larsen, B., Lioma, C., Frommholz, I. & Schütze, H., 2012, Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval. Association for Computing Machinery, p. 1131-1132 2 p.

Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

4 Citations (Scopus)

717 Downloads (Pure)

Proceedings of the ECIR 2012 Workshop on Task-Based and Aggregated Search (TBAS2012)

Larsen, B. (Editor), Lioma, C. (Editor) & De Vries, A. (Editor), 2012, Proceedings of the ECIR 2012 Workshop on Task-Based and Aggregated Search (TBAS2012). CEUR, 44 p.

Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

Report on TBAS 2012: workshop on task-based and aggregated search

Larsen, B., Lioma, C. & de Vries, A., 2012, In: S I G I R Forum. 46, 1, p. 71-77 7 p.

Research output: Contribution to journal › Comment/debate › Research

Rhetorical relations for information retrieval

Lioma, C., Larsen, B. & Lu, W., 2012, Proceedings of the 35th international ACM SIGIR conference on Research and Development in Information Retrieval. Association for Computing Machinery, p. 931-940 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

15 Citations (Scopus)

The tipping point: F-score as a function of the number of retrieved items

Guns, R., Lioma, C. & Larsen, B., Nov 2012, In: Information Processing & Management. 48, 6, p. 1171-1180 10 p.

Research output: Contribution to journal › Journal article › Research › peer-review

15 Citations (Scopus)

Zebra: searching for rare diseases: a case of task-based search in the medical domain

Dragusin, R., Petcu, P., Lioma, C. & Winther, O., 2012, Proceedings of the ECIR 2012 Workshop on Task-Based and Aggregated Search (TBAS2012). Larsen, B., Lioma, C. & de Vries, A. (eds.). p. 36-39 4 p.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

2011

A cascaded classification approach to semantic head recognition

Michelbacher, L., Kothari, A., Lioma, C., Schütze, H. & Forst, M., 1 Jan 2011, EMNLP 2011 - Conference on Empirical Methods in Natural Language Processing, Proceedings of the Conference. p. 793-803 11 p.

Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

5 Citations (Scopus)

Expanding queries with term and phrase translations in patent retrieval

Jochim, C., Lioma, C. & Schütze, H., 1 Jan 2011, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Vol. 6653 LNCS. p. 16-29 14 p.

Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

5 Citations (Scopus)

672 Downloads (Pure)

Rare disease diagnosis as an information retrieval task

Dragusin, R., Petcu, P., Lioma, C., Larsen, B., Jørgensen, H. & Winther, O., 2011, Advances in Information Retrieval Theory: Third International Conference, ICTIR 2011, Bertinoro, Italy, September 12-14, 2011. Proceedings. Amati, G. & Crestani, F. (eds.). Springer, p. 356-359 4 p. (Lecture notes in computer science, Vol. 6931).

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

6 Citations (Scopus)

60 Downloads (Pure)

Sense Discrimination for Physics Retrieval

Lioma, C., Kothari, A. & Schuetze, H., 2011, SIGIR’11: July 24–28, 2011, Beijing, China. Association for Computing Machinery, p. 1101 - 1102

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

4 Citations (Scopus)

User Perspectives on Query Difficulty

Lioma, C., Larsen, B. & Schütze, H., 2011, Advances in Information Retrieval Theory: Lecture Notes in Computer Science, 2011, Volume 6931/2011, 3-14, DOI: 10.1007/978-3-642-23318-0_3 . Springer, Vol. 6931/2011. p. 3-14 (Lecture notes in computer science).

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

2 Citations (Scopus)

586 Downloads (Pure)

2010

A subjective logic formalisation of the principle of polyrepresentation for information needs

Lioma, C., Larsen, B., Schütze, H. & Ingwersen, P., 2010, IIiX '10 Proceedings of the third symposium on Information interaction in context : Pages 125-134 ACM New York, NY, USA ©2010 . Association for Computing Machinery, p. 125-134

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

9 Citations (Scopus)

Preliminary study into query translation for patent retrieval

Jochim, C., Lioma, C., Schütze, H., Koch, S. & Ertl, T., 2010, Proceedings of the 3rd international workshop on Patent information retrieval. Association for Computing Machinery, p. 57-66 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

10 Citations (Scopus)

2009

A Belief Model of Query Difficulty That Uses Subjective Logic

Lioma, C., Blanco, R., Mochales-Palau, R. & Moens, M.-F., 2009, ICTIR '09 Proceedings of the 2nd International Conference on Theory of Information Retrieval: Advances in Information Retrieval Theory. Springer, p. 92-103

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

4 Citations (Scopus)

Christina Lioma

Research output

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