'Passage retrieval' presentation slideshows

Hidden Markov Models (HMMs)

447 views • 33 slides

Methods for Domain-Independant Information Extraction from the Web

Methods for Domain-Independant Information Extraction from the Web. An Experimental Comparison [Etzioni et al., 2004]. Outline. Introduction Paper structure KnowItAll System Rule Learning (RL) Subclass Extraction (SE) List Extraction (LE) Experiments Conclusion. Outline.

456 views • 33 slides

Three-level approach for Passage Retrieval in Arabic Question/Answering Systems

The 3rd International Conference on Arabic Natural Language Processing. Three-level approach for Passage Retrieval in Arabic Question/Answering Systems. Lahsen Abouenour 1 , Karim Bouzoubaa 1 , Paolo Rosso 2. Mohammadia School of Engineers, Rabat, Morocco - May 2009.

304 views • 30 slides

Comparing Document Segmentation for Passage Retrieval in Question Answering

433 views • 29 slides

Question Answering Passage Retrieval Using Dependency Parsing

Question Answering Passage Retrieval Using Dependency Parsing Hang Cui Renxu Sun Keya Li Min-Yen Kan Tat-Seng Chua Department of Computer Science National University of Singapore. Passage Retrieval in Question Answering. QA System. Document Retrieval. To narrow down the search scope

438 views • 28 slides

Question Answering Passage Retrieval Using Dependency Parsing

Question Answering Passage Retrieval Using Dependency Parsing Hang Cui Renxu Sun Keya Li Min-Yen Kan Tat-Seng Chua Department of Computer Science National University of Singapore. Passage Retrieval in Question Answering. QA System. Document Retrieval. To narrow down the search scope

390 views • 28 slides

Biased LexRank : Passage Retrieval using Random Walks with Question-Based Priors

Biased LexRank : Passage Retrieval using Random Walks with Question-Based Priors. Presenter : JHOU, YU-LIANG Authors : Jahna Otterbacher a , Gunes Erkan b , Dragomir R. Radev 2009, IPM. Outlines. Motivation Objectives Methodology Experimental Result Conclusions Comments.

340 views • 16 slides

The Informative Role of WordNet in Open-Domain Question Answering

The Informative Role of WordNet in Open-Domain Question Answering. Marius Pa ?ca and Sanda M. Harabagiu (NAACL 2001) Presented by Shauna Eggers CS 620 February 17, 2004. Introduction. Information Extraction: not just for keywords anymore!

139 views • 13 slides

Deliverable #3: Document and Passage Retrieval

Deliverable #3: Document and Passage Retrieval. Ling 573 NLP Systems and Applications May 10, 2011. Main Components. Document retrieval Evaluated with Mean Average Precision Passage retrieval/re-ranking Evaluated with Mean Reciprocal Rank (MRR). Mean Average Precision (MAP).

260 views • 11 slides

224 views • 11 slides