Báo cáo khoa học: "A FLEXIBLE APPROACH TO COOPERATIVE RESPONSE GENERATION IN INFORMATION-SEEKING DIALOGUES" docx

... A FLEXIBLE APPROACH TO COOPERATIVE RESPONSE GENERATION IN INFORMATION-SEEKING DIALOGUES Liliana Ardissono, Alessandro Lombardo, Dario Sestero Dipartimento di Informatica - Universita' ... getting information on how to achieve a goal in a restricted domain, l The main purpose of the system is to recognize the user's plans and goals to build cooperative answers in a flexible ... it is important to differentiate their detail level by adapting them to the user's competence in the domain. In our work, we want to study how to embed information obtained from a user...

Báo cáo khoa học: "A Flexible Approach to Natural Language Generation for Disabled Children" pdf

... main challenges identified so far can be summarized as follows.  Simplicity in interacting with user due to limited mental maturity level of users  Flexibility in taking input  Generating ... correct ex-pression in response to a communicative goal. This technology is mainly explored in the fields of machine translation, re-port generation, dialog system etc. In this paper we have ... School of Information Technology Indian Institute of Technology, Kharagpur 721302 INDIA pbiswas@sit.iitkgp.ernet .in Abstract Natural Language Generation (NLG) is a way to automatically...

Báo cáo khoa học: "A Bootstrapping Approach to Unsupervised Detection of Cue Phrase Variants" docx

... de-sired semantics. The problem, in contrast to bootstrapping approaches for QuestionAnswering and Information Extraction, isthat it is hard to find a constraining contextfor occurrences of semi-fixed ... “need” and“example”).Stopping at this point would limit us to thoseterms that co-occur with the seed words in thetraining corpus. Therefore additional iterations us-ing automatically generated ... time-consuming and error-prone andresults in cue phrases which are genre-specific.Methods for finding cue phrases automatically in- clude Hovy and Lin (1998) (using the ratio ofword frequency counts in...

Báo cáo khoa học: "A Hierarchical Approach to Encoding Medical Concepts for Clinical Notes" docx

... do-2http://www.nlm.nih.gov/mesh/3http://www.nlm.nih.gov/research/umls/Total radiology records 1,954Total tokens 51,940Total ICD-9-Codes 45Total code instances 2,423Table 1: Statistics of the data setmain knowledge into machine learning systems bydeveloping ... the positive instances while the remaining 600instances in the tree as the negative ones. This hier-archical approach of distributing training instancescan reduce the size of training data set ... only source of training instances. Forinstance, code ‘786.0’ in Figure 2 uses all the 698 in- stances rooted in node ‘786’ as the full training dataset. The 98 instances rooted in node ‘786.0’...

Tài liệu Báo cáo khoa học: "A Bootstrapping Approach to Named Entity Classification Using Successive Learners" pdf

... This method is also shown to be effective for supporting NE domain porting and is intuitive for configuring an NE system to tag user-defined NE types. The remaining part of the paper is organized ... targeted. In addition to the key NE types in MUC, our system is able to recognize another NE type, namely, PRODUCT (PRO) NE. We instructed our truthing team to add this NE type into the testing ... involving concept-based seeds are retrieved from the repository to train a decision list for NE classification. 3. The learned rules are applied to the NE candidates stored in the repository....

Tài liệu Báo cáo khoa học: "A PRAGMATICBASED APPROACH TO UNDERSTANDING" pdf

... before moving on to investigate a plan for CS263. Since the teacher of C3200 has nothing to do with the plan for taking C3263, the mechanisms for retaining dialogue context will fail to iden- ... constructing his task-related plan. CON CL USION S This paper ha~ described a pragmatlcs-based approach to interpreting intersententlal ellipti- cal utterances during an information-seeking dialogue ... Gross(1977) in identifying the referents of defin- ite noun phrases, by Robinson(1981) in interpreting verb p~vases, by ~ner( 1981 ) in anaphora resolution, by CarberrT(1983) in plan inference,...

Tài liệu Báo cáo khoa học: "A HYBRID APPROACH TO REPRESENTATION IN THE JANUS NATURAL LANGUAGE PROCESSOR" pot

... entities as possible using operators in the intensionai logic. In this section we illustrate this point by showing how definitely referenced sets, information about kinds, in- definitely identified ... something of a bare plural, KIND is used; for instance, cats as in cats are ferocious is represented as (KIND CATS). An indefinite set aris- ing as a bare plural in a VP is represented using ... developed two complementary tools to greatly increase our productivity in porting BBN's Janus NL understanding and generation system to new domains. IRACQ [3] supports learning lexical semantics...

Tài liệu Báo cáo khoa học: "A PROBABILISTIC APPROACH TO GRAMMATICAL ANALYSIS OF WRITTEN ENGLISH BY COMPUTER" pot

... automatically. The remaining 3 to ~ per cent were corrected by human post-editors. ~brk is now in progress to devise a suite of programs to provide a constituent analysis of the sentences in ... the word tagging system so that users may type in test sentences at a terminal to obtain tagged sentences in response. Additionally, we are substantially extending and modifying the word ... Co-ordinated constructions present similar prob lens. T-TAG SELECTION AND BRACKET CLOSING It is the task of the final phase of the parser to fill in any remaining closing brackets in the...

Báo cáo khoa học: A kinetic approach to the dependence of dissimilatory metal reduction by Shewanella oneidensis MR-1 on the outer membrane cytochromes c OmcA and OmcB potx

... modeled apparent kinetic parameters intothe double-reciprocal Lineweaver–Burk equation andplotting the resulting linear functions, we obtained thegraph in Fig. 5D. The lines intersect at negative ... determined here using a whole cell kinetics approach, which has the advantages of: (a) maintain-ing the complete electron transport chain used duringmetal respiration; and (b) keeping the terminal ... kDa), cyto-chromes are highly abundant c-type cytochromes in MR-1R, and thus contribute substantially to the554 nm absorbance. Although not fully linear and sat-urating with increasing cytochrome...

Báo cáo khoa học: "A new Approach to Improving Multilingual Summarization using a Genetic Algorithm" pptx

... Linguistics.G. Salton, A. Singhal, M. Mitra, and C. Buckley. 1997.Automatic text structuring and summarization. In- formation Processing and Management, 33(2):193–207.C. N. Satoshi, S. Satoshi, ... withoutlanguage-speciﬁc knowledge (including linguisticanalysis) can be considered language-independentsummarizers.The publication of information on the Internet in an ever-increasing variety of languages2dic-tates ... didthe researchers attempt to ﬁnd the optimal weightsfor the best linear combination.Information retrieval and machine learningtechniques were integrated to determine sentenceimportance (Kupiec...

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