inferencing in question answering

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... answer Q prev avg rating ”want in answer in the” in question CA avg asker rating ”adenocarcinoma” in question CA History “anybody” in question ”was” in question ”who is” in question Q content ... 2000. Information retrieval on the web. ACM Computing Surveys, 32(2). Y. Liu, J. Bian, and E. Agichtein. 2008. Predicting in- formation seeker satisfaction in community question answering. In Proceedings ... ”answer” in question UH total answers received ”is an” in answer ”just” in answer UH questions resolved ”want to” in answer ”me” in answer Q content kl asker all cate ”we” in answer ”be” in answer...

Ngày tải lên: 20/02/2014, 09:20

... expressed in a single sen- tence or a single post. Only identifying question and answering sentences from the thread is not enough for automatic question answering. For this example, in order ... Sentence Relation Labeling. In a thread containing N sentences, we would have a 2D CRF containing N 2 nodes in a N × N grid. Exact inference in such a graph is intractable. In this paper we use ... dependency tagging. This dependency information can benefit other tasks such as thread ranking and answer summarization in online forums. 1 Introduction Automatic Question Answering (QA) systems...

Ngày tải lên: 07/03/2014, 18:20

... phenomena that are in- volved in determining answerhood. Our work suggests that considerable gains in performance can be obtained by incorporating TE during both answer processing and passage re- trieval. ... asked in natural language. In the quest for producing accurate answers, the open-domain Q/A problem has been cast as: (1) a pipeline of linguistic processes pertaining to the processing of questions, ... matching instances from our training corpora described in Section 3.3. This method did not always extract true paraphrases of either texts. In order increase the likelihood that 909 Processing Question Module (QP) Passage Retrieval Module (PR) Answer...

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Ngày tải lên: 22/06/2014, 19:20

... SVM results. This is largely due to using headlines instead of affirmed questions, wherein headlines does not contain question- type and some of them are not in proper sentence form. This ad- versely ... obtain more unlabeled training data X U , we extracted around 100,000 document headlines from a large newswire corpus. Instead of match- ing headline and first sentence of the document as in (Harabagiu ... structure analysis in section 2, given dataset can be further separated into two, i.e., X cp con- taining q/a pairs in which affirmed questions are copula-type, and X ncp containing q/a pairs with non-copula-type...

Ngày tải lên: 20/02/2014, 07:20

... experience. 1 Introduction This paper describes the online demo of the QuALiM 1 Question Answering system (http://demos.inf.ed.ac.uk:8080/qualim/). We will refrain from describing QuALiM’s answer finding ... result. 1 for Question Answering with Linguistic Methods Historically, our system is web-based, receiving its answers by querying major search engines and post processing their results. In order to ... Wikipedia instead of the AQUAINT corpus for several reasons: 1. QuALiM is an open domain Question Answer- ing system and Wikipedia is an “open domain” Encyclopedia; it aims to cover all areas of inter- est...

Ngày tải lên: 20/02/2014, 09:20

... Martínez-Barco, 2009. Cross-topic Opinion Mining for Real-time Human-Computer Interaction. In Proceedings of the 6 th Workshop in Natural Language Processing and Cognitive Sci- ence, ICEIS ... list of 20 questions for each language. Finally, we produced the Gold Standard, by labeling the corpus with the correct answers corresponding to the questions. 1.1 Questions No TYPE QUESTION ... Analysis in Non-Traditional Textual Genres. To appear in Proceedings of the 5th Conference on data Mining. Las Vegas, Nevada, USA. W. Li, Y. Ouyang, Y. Hu, F. Wei. PolyU at TAC 2008. In Proceedings...

Ngày tải lên: 20/02/2014, 09:20

... and J. Lin. 2005. Knowledge ex- traction for clinical question answering: Preliminary results. In AAAI 2005 Workshop on QA in Restricted Domains. D. Demner-Fushman and J. Lin. 2006, in press. ... identifying such sentences in MEDLINE abstracts using su- pervised machine learning techniques (Demner- Fushman and Lin, 2005; Demner-Fushman and Lin, 2006 in press). Evaluation on a blind held- out ... USA demner@cs.umd.edu, jimmylin@umd.edu Abstract This paper presents a hybrid approach to question answering in the clinical domain that combines techniques from summarization and information retrieval. We...

Ngày tải lên: 20/02/2014, 12:20

... senses and domains. In addition, we apply an automatically gener- ated encyclopedia to a question answering system targeting the Japanese Information- Technology Engineers Examination. 1 Introduction Reflecting ... on Knowledge Discovery and Data Mining. Ellen M. Voorhees and Dawn M. Tice. 2000. Building a question answering test collection. In Proceed- ings of the 23rd Annual International ACM SIGIR Conference ... NAIST. (In Japanese). Andrew McCallum, Kamal Nigam, Jason Rennie, and Kristie Seymore. 1999. A machine learning ap- proach to building domain-specific search engines. In Proceedings of the 16th International...

Ngày tải lên: 20/02/2014, 18:20

... writing, we have incorporated NIKL into the implementation of our natural language question- answering system, IRUS. NIKL is used to represent the knowledge in a Navy battle-management domain. ... performed only to gain an increase in efficiency. The distinguishing feature of the present work is its operation on an expression in a logical language for English meaning representation, ... Scha, W.J, Schoenmakers and E.P.C. van Utteren. The Question Answering System PHLIQA1. In L. Bolc (editor), Natural Language Question Answering Systems. Macmillan, 1980. [8] Scha, Remko J.H....

Ngày tải lên: 21/02/2014, 20:20

... Web reinforced question answering. In Proceedings of the Tenth Text REtrieval Conference (TREC 2001). C. Clarke, G. Cormack and T. Lynam. 2001. Exploit- ing redundancy in question answering. In Proceed- ings ... effective for open do- main question answering. We are currently refining our approach in sev- eral directions. First, we are improving our query formulation by considering a combination of lo- cal ... 2002). This paper investigates the integration of both linguistic knowledge and external resources for TREC-style question answering. In particular, we describe a high performance question answering system...

Ngày tải lên: 22/02/2014, 02:20