word clustering and disambiguation based on co occurrence data
Báo cáo khoa học: "Word Clustering and Disambiguation Based on Co-occurrence Data" pdf
... o.g CovefarJe Figure 4: Compound noun disambiguation results We next conducted structural disambiguation on the test data, using the probabilities estimated based on 2D -Clustering and Brown. ... the corpus, and extracted compound noun doubles con- taining those nouns as training data and compound noun triples containing those nouns as test data. There were 8,604 training data and ... state-of-the-art disambiguation method of (Brill and Resnik, 1994). 1 Introduction We address the problem of clustering words, or that of constructing a thesaurus, based on co- occurrence data. We...
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Báo cáo khoa học: "Word Clustering and Word Selection based Feature Reduction for MaxEnt based Hindi NER" ppt
... wi+2position if wiis a NE. Note that only asubset of the lexicon are context words. For allthe context words, its N weight is calculated asthe ratio between the occurrence of the word as acontext ... Message Understanding Conference.Li W and McCallum A. 2003. Rapid Development ofHindi Named Entity Recognition using ConditionalRandom Fields and Feature Induction. ACM Trans-actions on Asian Language ... word and its total number of occurrence inthe corpus. The context words having the higherN weight are considered as important words forNER. For our experiments we have considered top500 words...
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Báo cáo khoa học: "Dependency Parsing and Projection Based on Word-Pair Classification" ppt
... more than 2 commas be-tween word i and word j?• Is there a comma immediately following thefirst of word i and word j?• Is there a comma immediately preceding thesecond of word i and word j?Besides ... for convenience. ACollins distance comprises the answers of 6 ques-tions:• Does word i precede or follow word j?• Are word i and word j adjacent?• Is there a verb between word i and word ... ourmodel and the transition -based category is thatthey all need a classifier to perform classificationconditioned on a certain configuration. However,they differ from each other in the classification...
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Tài liệu Báo cáo khoa học: "Cross-lingual Parse Disambiguation based on Semantic Correspondence" pptx
... themselves composed of re-lations. Each line in Figure 1 corresponds to oneEP. Relations are the elementary building blocks ofthe EDG, and loosely correspond to words of thesurface string. EPs consist ... rela-tions (corresponding to quantifiers), or a predicate-argument structure which is composed of several re-lations. During alignment, we only consider non-atomic EPs, as quantifiers should be considered ... limitedto align two languages only. The algorithm is veryflexible, and allows for straightforward explorationof different numbers and combinations of languages.6 Conclusion and Future WorkTranslating...
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Tài liệu Báo cáo khoa học: "Going Beyond AER: An Extensive Analysis of Word Alignments and Their Impact on MT" pdf
... SU and SG.Note that SI, SA and SBuse only a small portionof the phrases with more than 3 words although themajority of the phrase table contains phrases withmore than 3 words on one ... TreebankTable 1: Test and Training Data Used for Experimentsas translation probabilities and lexical weights), and the decoder’s job is to choose the correctphrases based on those scores using a log-linearmodel.3 ... long-standing questions aboutthe value of alignment in the context of MT.We first evaluate 5 different word alignmentsintrinsically, using: (1) community-standardmetrics—precision, recall and...
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The Breast Cancer Epidemic: Modeling and Forecasts Based on Abortion and Other Risk Factors potx
... Team, Information Services Division (ISD), NHS NationalServices, Scotland. Computing was done by Andrew Chan and Lee Young.none disclosed.Trendsin Cancer Survival in Scotland 1971-1995REFERENCES1Goldacre ... PopulationResearch Institute (PAPRI), 35 Canonbury Road, London N1 2DG, UK.Contact: papriresearch@btconnect.com.Particular thanks are due to the charities LIFE and TheMedical Education Trust, ... and abortion:collaborative reanalysis of data from 53 epidemiological studies.2004;363:1007-1016.Erlandsson G, Montgomery SM, Cnattingius S, Ekborn A. Abortions and breast cancer: record based...
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Báo cáo khoa học: "Structural Disambiguation Based on Reliable Estimation of Strength of Association" potx
... tively contain Wl and w2, f(C1) and f(C2) the numbers of occurrences of all the words included in the word classes C1 and C2, and f(C1, C2) is the number of co- occurrences of the word classes ... modificand relation. Experiment Disambiguation of dependency re- lations was done using 75 anlbiguous con- structions from Fukumoto (1992). Solving the ambiguity in the constructions involves ... nouns in the training data. The 'confidence' values correspond to a binomial dis- tribution and are given only as a reference s. confidence t coverage precision success 100% 68.0%...
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Báo cáo " All-optical NAND and AND gates based on 3x3 general interference multimode interference couplers" pdf
... All-optical NAND and AND Gates based on 3x3 GI-MMI couplers Theory: The conventional MMI coupler has a structure consisting of a homogeneous planar multimode waveguide region connected to a ... NAND and AND gates based on 3x3 general interference multimode interference couplers Le Trung Thanh* Department of Telecommunication Engineering, University of Transport and Communications ... order to obtain a nonlinear interaction. In addition, since the nonlinear coefficient is often small, long interaction lengths are generally required. Moreover, devices based on nonlinear effects...
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Báo cáo khoa học: "Information Classification and Navigation Based on 5W1H of the Target Information" doc
... classification I Figure 1: 5WIH classification and navigation 3 5WIH Classification and Navigation Conventional keyword -based retrieval does not con- sider logical relationships between keywords. ... events and arranging 96.10 NEC adjusts semiconductor production downward. 96.12 97.1 97.4 97.5 NEC postpones semiconductor production plant construction. NEC shifts semiconductor production ... article containing "NEC formed a technical alliance with B company, and B company produced semiconductor X." Based on 5WlH information, we propose a 5WlH classification and navigation...
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Báo cáo hóa học: " A broadly applicable method to characterize large DNA viruses and adenoviruses based on the DNA polymerase gene" doc
... proceedingto the virus concentration step. The DNase variation on the protocol involved adding 20 µl of 10 × buffer and 100µl of RQ1 DNAse (Promega) to the 80 µl of concentratedvirus and incubating ... InnotechCorporation, San Leandro, CA). Bands of interest wereexcised from the gel and the DNA was recovered usingGenElute Agarose Spin Columns (Supelco, Bellefonte,PA). The product was cloned ... DNAsequence comparisons, designed the primers and was thecontributing author. MRR performed all fish virus cell cul-ture, DNA extraction, PCR protocol development, and most of the PCR, cloning and...
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Báo cáo khoa học: "A Cognitive Cost Model of Annotations Based on Eye-Tracking Data" pdf
... anyirritation of the participants caused by constantlychanging contexts. Accordingly, the participantswere assigned to one of the experimental groups and corresponding context condition already ... fixations on the anno-tation phrase and context for the document condi-tion and 20 annotation examples of each complex-ity class.These results suggest that the need for contextmainly depends on ... syntactic complexity.6t(9) = 0.27, p = 0.79 for the annotation time in thedocument context condition, and t(9) = 1.97, p = 0.08 forthe annotation errors in the sentence context condition.11624 Cognitively...
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