... idf to the documents of one or the other class and subtract- ing the two values. Therefore, the weight of term 1388 Table 2: SMART notation for inverse document frequency variants. For ease of ... inverse document frequency of term i, N is the total number of documents and df i is the number of documents that contain term i. The utilization of tf i in classification is rather straightforwa...
Ngày tải lên: 20/02/2014, 04:20
... describe a technique for estimat- ing the parameters for this model using decision trees. The history-based grammar model provides a mechanism for taking advantage of contextual information from ... the immediate parent is also the functional parent; otherwise, the functional parent is the functional parent of the immediate parent. The distinction between functional parent...
Ngày tải lên: 20/02/2014, 21:20
Báo cáo khoa học: "PENS: A Machine-aided English Writing System for Chinese Users" pdf
... words of their original form, while they should be of different forms in different contexts. We exploit morphology for this purpose, and expand each word to all possible forms. For instance, inflections ... labelled all 964 sentences, we performed the sentence retrieval module on the sentence set, that is, PENS retrieved example sentences for each of the 50 queries. Therefore, for eac...
Ngày tải lên: 08/03/2014, 05:20
Báo cáo khoa học: "A LANGUAGE-INDEPENDENT AN APHORARE SOLUTION SYSTEM FOR UNDERSTANDING MULTILINGUAL TEXTS" pptx
... the filters are applied for all anaphor. 160 A LANGUAGE-INDEPENDENT ANAPHORA RES()LUTION SYSTEM FOR UNDERSTANDING MULTILINGUAL TEXTS Chinatsu Aone and Douglas McKee Systems Research and Applications ... Brown's system handles only intersentential 3rd person pronotms and some defilfite NPs, and Rich and LuperFoy's system handles only 3rd person pronouns. 162 Overall...
Ngày tải lên: 08/03/2014, 07:20
Báo cáo khoa học: "Beyond NomBank: A Study of Implicit Arguments for Nominal Predicates" doc
... information between p, iarg n and any p f , arg f . 6 Frequency of the nominal form of p within the document that contains it. 7 Nominal form of p concatenated with iarg n . 8 Nominal form ... pieces of information: (1) the average difference between the number of roles expressed in nominal form (in NomBank) versus verbal form (in PropBank) and (2) the frequency of the nominal form in .....
Ngày tải lên: 17/03/2014, 00:20
Báo cáo khoa học: Evidence of a new phosphoryl transfer system in nucleotide metabolism doc
... were performed using a high-performance AKTA Purifier System (GE Healthcare) and a unicorn Control System (Version 5.10) as the control platform. Total proteins were assayed according to Bradford ... curve remained as before for the first 15 min; thereafter, the reaction proceeded linearly for 50 min, at a rate 20 times greater than that for MK and AdK alone (Fig. 4). ADP and inosine...
Ngày tải lên: 23/03/2014, 06:20
Báo cáo khoa học: "Joint Learning of a Dual SMT System for Paraphrase Generation" pptx
... Association for Computational Linguistics, pages 38–42, Jeju, Republic of Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics Joint Learning of a Dual SMT System for Paraphrase ... data for this task and apply two SMT systems (dual SMT system) to translate the original sentences into another pivot language and then translate them back into the orig- inal langu...
Ngày tải lên: 23/03/2014, 14:20
Báo cáo khoa học: "Argumentative Feedback: A Linguistically-motivated Term Expansion for Information Retrieval" doc
... Diagnosis, Computer- Assisted; Documentation; Expert Systems; Hos- pital Information Systems*; Human; Natural Language Processing*; Online Systems; Radi- ology Information Systems*. Table 1: MEDLINE ... selection for query expansion. Journal of Documentation, 46(4):359–364. J Rocchio. 1971. Relevance feedback in infor- mation retrieval in The SMART Retrieval System - Experiments in Automa...
Ngày tải lên: 23/03/2014, 18:20
Báo cáo khoa học: "MIMUS: A Multimodal and Multilingual Dialogue System for the Home Domain" doc
... until called for duty (voice activation); each user may name their per- sonal assistant as they wish (Personalization); and they will address the system at personal level, re- inforcing the sense ... this paper, an overall description of the MIMUS system has been provided. MIMUS is a fully multimodal and multilingual di- alogue system within the Information State Update approach. A nu...
Ngày tải lên: 23/03/2014, 18:20
Báo cáo khoa học: "Discovering the Discriminative Views: Measuring Term Weights for Sentiment Analysis" doc
... improve P@10 performance, indicating that they increase the accuracy of the sentiment analysis system. PMI out-performed LSA for all evaluation mea- sures. Among the topic association models, PMI performs ... opinionated documents as below. Score OpRet (D, Q) = λ·Score rel (D, Q)+(1−λ)·Score op (D, Q) The topic-relevance model Score rel may be sub- stituted by any IR system that retriev...
Ngày tải lên: 30/03/2014, 23:20