Báo cáo khoa học: "An Iterative Implicit Feedback Approach to Personalized Search" doc

... previous work related to our approach. Section 6 draws some conclusions of our work. 2 Iterative Implicit Feedback Approach We propose a HITS-like iterative approach for personalized search. ... at top 5, top 10, top 20 and top 30 documents of these system. 4.2 Results and Analysis Altogether, 45 TREC topics (62 queries in all) are chosen for English information retrieval. 712 documents ... 585–592,Sydney, July 2006.c2006 Association for Computational LinguisticsAn Iterative Implicit Feedback Approach to Personalized Search Yuanhua Lv 1, Le Sun 2, Junlin Zhang 2, Jian-Yun...

Báo cáo khoa học: "An Interactive Domain Independent Approach to Robust Dialogue Interpretation" pot

... Abstract We discuss an interactive approach to robust inter- pretation in a large scale speech -to- speech transla- tion system. Where other interactive approaches to robust interpretation have ... 1992; Koza, 1994) approach is used to search for different ways to combine the fragments in order to avoid requiring any hand-crafted repair rules. Our genetic programming approach has been ... is used to generate a query for the user. First, a skeleton structure is built from the feature, with top level frame equivalent to the frame at the root of the feature. Then the skeleton structure...

Báo cáo khoa học: "A SIMPLE BUT USEFUL APPROACH TO CONJUNCT IDENTIFICATION" docx

... "segregatory" and "combinatory" use of conjunctions [Quirk et al., 1982] (e.g. "fly and mosquito repellants" could refer to 'fly' and 'mosquito repellants' ... working on the sentence structure to improve it, looks a lot like a blackboard system architecture. Therefore, one of the future ventures could be to try to look into some blackboard architecture ... infinitive phrases " ;to inform them of the tragic incident" and " ;to request their co- operation". If a natural language understanding system fails to recognize the correct...

Báo cáo khoa học: "An Iterative Algorithm to Build Chinese Language Models" potx

... assigns proper probabilities to unseen words. This is the beauty of the algorithm that it is able to handle unseen words automatically. 3 Iterative procedure to build LM In the previous section, ... 1992). In this paper, we adopt a statistical approach to segment Chinese text based on an LM because of its autonomous nature and its capability to handle unseen words. As far as speech recognition ... "C,,-1Cn, where each Ci (1 < i < n } is a Chinese character. To seg- ment a sentence into words is to group these char- acters into words, i.e. S = C:C2 C,-:C, (1) = (c: c,,,)(c,,,+: c,,,)...

Tài liệu Báo cáo khoa học: "An Evaluation Method of Words Tendency using Decision " docx

... paper, five attributes are defined to decide the stability classes, and the words data that are divided into classes beforehand are input into the DT automatic algorithm C4.5 as the learning ... value of correlation coefficient r is approaching to 1, the appearance frequency is concentrated around the regression straight line, and when it approaches to 0, it means that the appearance ... coefficient) that are extracted automatically from past texts data. These extracted data are classified manually (Human) into three stability classes. Decision Tree (DT) automatic algorithm C4.5 (Quinlan,...

Tài liệu Báo cáo khoa học: "An Empirical Investigation of Proposals in Collaborative Dialogues" docx

... the goal to put an object in a room (e.g. varsola, vartabte or varchairs). For a solution to 5Our definition of actions does not apply to Into-Requests, as the latter are easy to recognize. ... Spend all your money. A point system is used to motivate participants to try to achieve as many goals as possible. Each subject has a bud- get and inventory of furniture that lists the quanti- ... Finally, it is hard to offer comprehensive guidance for the test is S trying to get H to do something? in Figure 1, but some special cases can be isolated. For instance, when S refers to one action...

Tài liệu Báo cáo khoa học: "AN INTEGRATED HEURISTIC SCHEME FOR PARTIAL PARSE EVALUATION" docx

... developed by Tomita [Tomita, 1986], extended the original Lit parsing al- gorithm to the case of non-LR languages, where the parsing tables contain entries with multiple parsing ac- tions. Tomita's ... [Lavie and Tomita, 1993]. It is designed to enhance the parsability of do- mains such as spontaneous speech, where the input is likely to contain deviations from the grammar, due to either ... corresponding to some grammatical subset of words of the input sentence. Due to the beam search heuristic and the ambiguity packing scheme, this set of parses is limited to maximal or close to maximal...

Tài liệu Báo cáo khoa học: "An expressive formalism for describing tree-based grammars" docx

... factorizing grammar in-formation is crucial for the rapid development,the maintenance and the debugging of large scalegrammars. While much work has been deployedinto producing such factorizing ... emerged to automatize tree-based grammar production:systems based on lexical rules (see (Becker,2000)) and systems based on combination ofclasses (also called metagrammar systems, see(Candito, ... combinedusing conjunction and/or disjunction. Thesetwo operators allow the metagrammar designer to achieve a high degree of factorization. Moreoverthe XMG system also supports inheritance...

Báo cáo khoa học: A steady-state modeling approach to validate an in vivo mechanism of the GAL regulatory network in Saccharomyces cerevisiae ppt

... expression: (a) regulatory protein Gal3p translo-cates into t he nucleus to bind to the DNA complex to relieverepression; (b) Gal3p sequesters Gal80p from the nucleusinto the cytoplasm t o relieve ... GALgenes in response to galactose.The GAL genetic switchThe G AL regulatory network is c omposed of threeregulatory proteins: a transcriptional a ctivator Gal4p, anegative regulator Gal80p and ... between operator site (D1 or D2) and Gal4p dimerK Nucleocytoplasmic distribution coeﬃcientModel parametersThe total regulatory proteins and DNA concentrations should be known to solve the...

Báo cáo khoa học: " An NLP Tool Suite for Processing Word Lattices" docx

... segmen-tation.12ling.uni-potsdam.de/˜moocow/projects/gfsm/13xmlsoft.org89maca tokenizer tokenizes a sentence into pre-lexical units. It is also based on regular gram-mars that recognize simple tokens as well as apredeﬁned set of special tokens, such as ... which has four mandatory attributes:• type indicates the type of the segment, four dif-ferent types are currently deﬁned: atome (pre-lexical unit usually referred to as token in en-glish), ... speech)and chunk (a non recursive syntactic unit).• id associates to a segment a unique identiﬁer inthe document, in order to be able to referenceit.• start and end deﬁne the span of the segment.These...

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