Báo cáo khoa học: "An Empirical Study of Chinese Chunking" docx

... corpusfrom UPENN Chinese Treebank-4(CTB4). Wepresented an empirical study of Chinese chunk-ing on this corpus. First, we made an evaluationon the corpus to clarify the performance of state- of- the-art ... used in this study. Training TestNum of Files 728 110Num of Sentences 9,878 5,290Num of Words 238,906 165,862Num of Phrases 141,426 101,449Table 2: Information of the CTB4 Corpus3 Chinese Chunking3.1 ... theperformance of Chinese chunking signiﬁcantly.The rest of this paper is as follows: Section 2describes the deﬁnitions of Chinese chunks. Sec-97tion 3 simply introduces the models and featuresfor Chinese...

Tài liệu Báo cáo khoa học: "An Empirical Study of Information Synthesis Tasks" doc

... describes an empirical study of the “In-formation Synthesis” task, deﬁned as the process of (given a complex information need) extracting, or-ganizing and inter-relating the pieces of informationcontained ... summaries consist of a)picking the ﬁrst n sentences out of a set of selected documents (with different val-ues for n and different sets of documents)and b) taking the full content of a few doc-uments. ... is the native language of the subjectsrecruited for the manual generation of reports. Out of the CLEF topic set, we have chosen the eighttopics with the largest number of documents man-ually...

Báo cáo khoa học: "An Empirical Study of the Influence of Argument Conciseness on Argument Effectiveness" docx

... An Empirical Study of the Influence of Argument Conciseness on Argument Effectiveness Giuseppe Carenini Intelligent Systems Program University of Pittsburgh, Pittsburgh, ... theory, the selection of what evidence to mention in an argument should be based on a measure of the evidence strength of support (or opposition) to the main claim of the argument (Mayberry ... primitive attribute of the entity. A value tree is a decomposition of the value of an entity into a hierarchy of aspects of the entity2, in which the leaves correspond to the entity primitive...

Báo cáo khoa học: "An Empirical Study of Active Learning with Support Vector Machines for Japanese Word Segmentation" pptx

... smaller one because the ﬁnal accuracy of the former is higherthan that of the latter.6The variance of a set of selected examples is deﬁnedTable 1: Variances of Selected ExamplesIteration2345678910111,250 ... curve varies de-pending on the size of a pool. Surprisingly, the per-formance of a larger pool is worse than that of asmaller pool in the early stage of training5. One rea-son for this ... here four characters to decide a wordboundary. A set of the attributes of ,andis used to predict the label of the . Theset consists of twenty attributes: ten for the char-acter type (,...

Tài liệu Báo cáo khoa học: "An Empirical Investigation of Discounting in Cross-Domain Language Models" ppt

... ktrain(w) denote the number of occurrences of w in the training corpus, and ktest(w)denote the number of occurrences of w in the testcorpus. We deﬁne the empirical discount of w to bed(w) = ktrain(w) ... per-vasive phenomenon of growing empirical discounts,except in the case of extremely similar corpora.Growing discounts of this sort were previously sug-gested by the model of Teh (2006). However, ... one of 110M words of NYT from 2000and 2001 (NYT00+01), and one of 110M words of AFP from 2002, 2005, and 2006 (AFP02+05+06).In both cases, we compute¯d(i) and tune parameterson 110M words of...

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

... exist to the set of constraint equations, each varl in the set of equations must have a solution. For exam- ple, if 5 instances of sofas are known for varsola, but every assignment of a value to ... de- grees of strength) to some future course of action. The only distinction is whether the commitment is conditional on H's agreement (Offer) or not (Com- mit). With an Offer, S indicates ... equations and the number of possible solutions given all the possible assignments of values to these variables. The variables of interest for our corpus are the ob- jects of type t in the goal...

Báo cáo khoa học: "an experimental study of ambiguity and context" ppt

... an experimental study of ambiguity and context* Abraham Kaplan, Department of Philosophy, University of California, Los Angeles Ambiguity is the common cold of the pathology of language. The ... meanings of key terms. Special importance attaches to ambiguity as a result of the growing interest in the possibili- ties of mass translation: rapid and routine translation of large bodies of ... senses of the word. Although frequency of use was not a criterion of selection, it was afterwards found that all of the 140 words selected appear in The Teacher's Word-Book of 30,000...

Báo cáo khoa học: "AN EMPIRICAL MODEL OF ACKNOWLEDGMENT" docx

... Abstract We refine and extend prior views of the descrip- tion, purposes, and contexts -of- use of acknowledg- ment acts through empirical examination of the use of acknowledgments in task-based conversa- ... seek to refine and extend prior views of the description, purposes, and contexts -of- use of acknowledgment acts through empirical examina- tion of the use of acknowledgments in task-based conversation. ... the communicative value of an acknowledgment and (2) the circumstances of its use. The scope of our inquiry involves spoken interaction. We present a catalogue of types of acknowledgment. This...

Báo cáo khoa học: "An Empirical Evaluation of Probabilistic Lexicalized Tree Insertion Grammars*" potx

... of two worlds: the language modeling capability of N-grams and the parse quality of context-free grammars. The rest of the paper is organized as fol- lows: first, we present an overview of ... number of parameters for the type of PLTIGs used in this paper is 2(V+I)+2V(K)(V+I), where K is the number of adjunction sites per tree. The first term of the equation is the number of parameters ... adjunction of each direction may take place. The introduction of this node is necessary be- cause the definition of the formalism disallows right adjunction into the root node of a left aux-...

Báo cáo khoa học: "AN EMPIRICAL STUDY ON THEMATIC KNOWLEDGE ACQUISITION BASED ON SYNTACTIC CLUES AND HEURISTICS" doc

... feasibility of the acquisition method. In geaeral, lexical knowledge of a lexical head should (at ~east) include 1) the number of arguments of the lexic~-~l head, 2) syntactic properties of the ... 1976. [Jackendoff72] Jackendoff R. S., Semantic Interpreta- tion in Generative Grammar, The MIT Press, Cam- bridge, Massachusetts, 1972. [Jackendoff87] Jackendoff R. S., The Status of Thematic ... important resources. However, the availability ~of the resources often deteriorated the feasibility of learning from a practical standpoint. The acquisition often becomes "circular" when...

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