Sisay Fissaha Adafre

PhD student at the University of Amsterdam.

Research Interest

My research interest includes the following areas: Information Extraction, Question-Answering, Machine Learning, Machine Translation and Amharic Morphosyntax.


Sisay Fissaha Adafre and M. de Rijke. Ask the Crowd to Find Out What's Important. Submitted, 2007.

Sisay Fissaha Adafre, V. Jijkoun and M. de Rijke. Fact Discovery in Wikipedia. In: 2007 IEEE/WIC/ACM International Conference on Web Intelligence, 2007.

Sisay Fissaha Adafre, M. de Rijke, and E. Tjong Kim Sang. Entity Retrieval. In RANLP 2007, September 2007.

Sisay Fissaha Adafre, V. Jijkoun and M. de Rijke.Link-Based vs. Content-Based Retrieval for Question Answering Using Wikipedia. In CLEF 2006, 2007.

Sisay Fissaha Adafre and M. de Rijke. Estimating Importance Features for Fact Mining (With a Case Study in Biography Mining). In: RIAO 2007, 2007.

Sisay Fissaha Adafre and M. de Rijke. Finding Similar Sentences across Multiple Languages in Wikipedia. In: EACL 2006 Workshop on New Text, Wikis and Blogs and Other Dynamic Text Sources, April 2006.

David Ahn, Sisay Fissaha, Valentin Jijkoun, Karin Müller, Maarten de Rijke and Erik Tjong Kim Sang. Towards a Multi-Stream Question Answering-As-XML-Retrieval Strategy. In: The Fourteenth Text Retrieval Conference (TREC 2005), NIST, 2006.

Sisay Fissaha Adafre and M. de Rijke. Discovering Missing Links in Wikipedia, In: Proceedings of the Workshop on Link Discovery: Issues, Approaches and Applications (LinkKDD-2005), 2005.

Sisay Fissaha Adafre. Part of Speech tagging for Amharic using Conditional Random Fields. In: Proceedings ACL-2005 Workshop on Computational Approaches to Semitic Languages, 2005

Sisay Fissaha Adafre and M. de Rijke. Feature Engineering and Post-Processing for Temporal Expression Recognition Using Conditional Random Fields, In: Proceedings ACL-2005 Workshop on Feature Engineering, 2005

J. Kamps, Sisay Fissaha Adafre, and M. de Rijke. Effective Translation, Tokenization and Combination for Cross-Lingual Retrieval, In: C. Peters, P.D. Clough, G.J.F. Jones, J. Gonzalo, M. Kluck and B. Magnini, editors, Multilingual Information Access for Text, Speech and Images: Results of the Fifth CLEF Evaluation Campaign, LNCS, Springer, 2005

D. Ahn, Sisay Fissaha Adafre, and M. de Rijke. Extracting Temporal Information from Open Domain Text: A Comparative Exploration, In: J. Digital Information Management, 3(1):14-20, 2005.

D Ahn, Sisay Fissaha, V. Jijkoun and M. de Rijke. The University of Amsterdam at Senseval-3: Semantic Roles and Logic Forms, 2004

Sisay Fissaha. Formal Analysis of Some Aspect of Amharic Noun Phrases. in EAMT 2004 Workshop, Malta, April 2004

Michael Carl and Sisay Fissaha:. Phrase-based Evaluation of Word-to-Word Alignments. Building and Using Parallel Texts: Data Driven Machine Translation and Beyond. HLT-NAACL Workshop 2003.

Sisay Fissaha and Johann Haller. Amharic verbal lexicon in the Context of Machine Translation. Traitement Automatique des Langues Naturelles TALN 2003

Sisay Fissaha Adafre and J. Haller. Application of Corpus-based Techniques to Amharic Texts, MT Summit IX Workshop Machine Translation for Semitic Languages: Issues and Approaches, 2003

Sisay Fissaha, Daniel Olejnik, Ralf Kornberger, Karin Müller, Detlef Prescher. Experiments in German Treebank Parsing. In Proceedings of the 6th International Conference on Text, Speech and Dialogue (TSD-03). Ceske Budejovice, Czech Republic.

Sandrine Garnier, Youhanizou Tall, Sisay Fissaha, Johann Haller: Development of NLP tools for CALL based on learner corpora (German as a foreign language). Learner Corpora: Design, Development and Applications. Corpus Linguistics 2003.

Hong, Munpyo, Sisay Fissaha & Johann Haller : Hybrid Filtering for Extraction of Term Candidates from German Technical Texts, Terminology and Artificial Intelligence TIA'2001

Contact Info.

Tel: 0031205257545

E-mail: sfissaha (at) science (dot) uva (dot) nl