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Haute école de gestion de Genève

Using a question-answering approach in machine reading task of biomedical texts about the Alzheimer disease

Vishnyakova, Dina ; Gobeill, Julien ; Ruch, Patrick

In: Working Notes for CLEF 2013 Conference, Valencia, Spain, September 23-26, 2013., 2013, vol. 1179, p. 1-6

For the machine-reading task of biomedical texts about the Alz-heimer disease we have used a Question-Answering approach by adapting func-tionalities of Question-Answering (Q-A) engine EAGLi. We didn’t involve any other Natural Language Processing method. As a knowledge store we used the biggest resource of biomedical literature - MEDLINE. Our final results showed that the best run was without...

Haute école de gestion de Genève

Instance-based learning for tweet categorization in CLEF REPLAB 2014

Gobeill, Julien ; Gaudinat, Arnaud ; Ruch, Patrick

In: Proceedings of Conference and Labs of the Evaluation Forum (CLEF), 2014, p. 1491-1499

BiTeM/SIBtex is a university research group with a strong background in Text Mining and Bibliomics, and a long tradition of participating in large evaluation campaigns. The CLEF RepLab 2014 Track was the occasion to integrate several local tools into a complete system for tweet monitoring and categorization based on instance-based learning. The algorithm we implemented was a k Nearest Neighbors....

Haute école de gestion de Genève

Electronic processing of informed consents in a global pharmaceutical company environment

Gobeill, Julien ; Ruch, Patrick ; et al.

In: Studies in health technology and informatics, 2013, vol. 205, p. 995-999

We present an electronic capture tool to process informed consents, which are mandatory recorded when running a clinical trial. This tool aims at the extraction of information expressing the duration of the consent given by the patient to authorize the exploitation of biomarker-related information collected during clinical trials. The system integrates a language detection module (LDM) to route a...

Haute école de gestion de Genève

Bitem site report for the claims to passage task in CLEF-IP 2012

Gobeill, Julien ; Ruch, Patrick

In: CLEF 2012, 2012, p. s.p.

In CLEF-IP 2012, we participated in the Claims to Passage task where the goal was to return relevant passages according to sets of claims, for patentability or novelty search purposes. The collection contained 2.3M of documents, corresponding to an estimated volume of 250M of passages. To cope with the problems induced by this large dataset, we designed a two-step retrieval system. In the first...

Haute école de gestion de Genève

Bitem group report for TREC medical records track 2011

Gobeill, Julien ; Gaudinat, Arnaud ; Ruch, Patrick ; Pasche, Emilie ; Teodoro, Douglas ; Vishnyakova,Dina

In: TREC 2011, 2011, p. s.p.

The BiTeM group participated in the first TREC Medical Records Track in 2011 relying on a strong background in medical records processing and medical terminologies. For this campaign, we submitted a baseline run, computed with a simple free-text index in the Terrier platform, which achieved fair results (0.468 for P10). We also performed automatic text categorization on medical records and built...