'Ling573 nlp systems' presentation slideshows

Deep Processing QA & Information Retrieval

Deep Processing QA & Information Retrieval. Ling573 NLP Systems and Applications April 11, 2013. Roadmap. PowerAnswer-2: Deep processing Q/A Problem : Matching Topics and Documents Methods: Vector Space Model Retrieval evaluation. PowerAnswer2. Language Computer Corp.

1.27k views • 115 slides

Beyond TREC-QA

1.1k views • 89 slides

Question Classification II

Question Classification II. Ling573 NLP Systems and Applications April 30, 2013. Roadmap. Question classification variations: SVM classifiers Sequence classifiers Sense information improvements Question series. Question Classification with Support Vector Machines. Hacioglu & Ward 2003

936 views • 82 slides

Answer Extraction & Projection

Answer Extraction & Projection. Ling573 NLP Systems and Applications May 21, 2013. Deliverable #4. Posted Notes: Evaltest materials Corpus: Aquaint -2 Should be installed soon: Pending David B. DTD change: DOCID attributed vs element Questions: TREC-2007 Available tonight

826 views • 72 slides

Information Retrieval

Information Retrieval. Ling573 NLP Systems and Applications April 26, 2011. Roadmap. Problem: Matching Topics and Documents Methods: Classic: Vector Space Model Challenge: Beyond literal matching Relevance Feedback Expansion Strategies. Matching Topics and Documents.

750 views • 66 slides