Báo cáo khoa học: "Incremental Joint Approach to Word Segmentation, POS Tagging, and Dependency Parsing in Chinese" potx

... tagging.3 Model3.1 Incremental Joint Segmentation, POS Tagging, and Dependency Parsing Based on the joint POS tagging and dependency parsing model by Hatori et al. (2011), we build our joint ... is invoked bymistakes in any of word segmentation, POS tagging, or dependency parsing. 3.2 Alignment of StatesWhen dependency parsing is integrated into the taskof joint word segmentation and ... and POS tagging accuracies by more than1% in Chinese (Zhang and Clark, 2008). In addition,some researchers recently proposed a joint approach to Chinese POS tagging and dependency parsing (Liet...

Báo cáo khoa học: "A Hybrid Approach to Word Segmentation and POS Tagging" doc

... tagging (Ng and Low,2004): Word- based Post-Processing MethodThis method receives results of word segmen-tation and known word POS tagging, and pre-dicts POS tags of unknown words using wordsas ... 2, A). In the method, POS tagging of unknown words is conducted at thesame time as word segmentation and POS tag-217Figure 1: Word Segmentation and Known Word POS Tagging using Word and Character-based ... pro-cessing is combined, and word segmentation and POS tagging are conducted simultaneously. In themethod, word- based processing is used to handleknown words, and character-based processing isused...

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

... containsDigitAndAlpha, containsDigitAndDash, containsDigitAndSlash, containsDigitAndComma, containsDigitAndPeriod, otherNum, allCaps, capPeriod, initCap, lowerCase, other. 6 Benchmarking and ... repository. Repository(parsed corpus)Decision List NE LearningHMM NE LearningConcept-based Seeds parsing- based NE rulestraining corpus based on tagged NEsNE tagging using parsing- based rulesNE ... 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: "An Unsupervised Approach to Recognizing Discourse Relations" pdf

... contained the word “but” in the middle of a sentence; we split each ex-tracted sentence into two spans, one containing thewords from the beginning of the sentence to the oc-currence of the keyword ... level of interest in explaining the nature of these relations and in pro-viding deﬁnitions for them (Mann and Thompson,1988; Hobbs, 1990; Martin, 1992; Lascarides and Asher, 1993; Hovy and Maier, ... contains the word “but” and the sentence that precedes it.) Our hopeis that simple extraction methods are sufﬁcient forcollecting low-noise training corpora.2.3 Generation of training dataIn...

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

... pragmatlcs-based approach to interpreting intersententlal ellipti- cal utterances during an information-seeking dialogue in a task domsin. Our framework coordl- nares many knowledge sources, including ... processing begins. A model of any preceding dialogue contains a context tree (Car- berry, 1983) corresponding to IS's inferred under- lying task-related plan, a space containing IS's ... context as possible in interpreting intersententlal ellipsis. Carbonell(1983) demon- strated this phemonenon in an informal poll in which users were found to interpret the fraRment in the followlng...

Tài liệu Báo cáo khoa học: "AN ECLECTIC APPROACH TO BUILDING NATURAL LANGUAGE INTERFACES" pptx

... significant typing effort. Input is processed on a word- by -word basis. Single spaces and punctuation characters serve as word terminators. Words are echoed as typed and overwritten in uppercase ... ('troubleshooting" rules) are added to the system in the win- dow labeled "INGLISH." The interface to the diagnnszi¢ engine is in the "Prolog" window. The "INGLISII" ... written in Sms/ltalk and, in INK,A, produces rides for a Prolog inference engine. INTRODUCTION The ides/ natural language interface would let any user, without any prior training, interact...

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 ... representation /an- guages in order to focus on formally specifying domains and using ~hat specification in language processing rather than on defining new domain- independent representation ... 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

... system resulted in over 96 per cent of word tags being correctly assigned automatically. The remaining 3 to ~ per cent were corrected by human post-editors. ~brk is now in progress to devise a ... 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 ... programs and data files used for automatic word tagging are being modified to reduce manual intervention and to provide more detailed subcategor- izations. Phrase and Clause Tagging. 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

... 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 ... By plugging thevalues of the modeled apparent kinetic parameters intothe double-reciprocal Lineweaver–Burk equation and plotting the resulting linear functions, we obtained thegraph in Fig. ... Mn(IV) in MR-1 isthought to be composed of cytochromes and a qui-none, located in both the cytoplasmic membrane(CymA and menaquinone) and the outer membrane(OmcB, and a partial role for OmcA)...

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, ... beforebeginning sentence extraction, (4) ignore redun-dant, repetitive, and overly detailed information, and (5) remain within the minimal and maximalsummary length constraints (95 and 100 words, ... retrieval and machine learningtechniques were integrated to determine sentenceimportance (Kupiec et al., 1995; Wong et al.,2008). Gong and Liu (2001) and Steinberger and Jezek (2004) used singular...

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