Báo cáo khoa học: "Clustering Adjectives for Class Acquisition" pptx

... major syntactic argument for adopt-ing this classification: adjectives belonging to thesame class coordinate when modifying the samenoun, but adjectives from different classes do not:*A serious ... Morphologically sim-ple adjectives and very ambiguous suffixes, asfar as adjective classes are concerned, were notclassified. No information could be gathered for nonpredicative adjectives, because ... the distribution of adjec-tive classes in clusters, two a-priori classificationswere built. First, 4 human judges classified asubset of 102 adjectives. 100 adjectives wererandomly chosen,...

Báo cáo khoa học: "Clustering Clauses for High-Level Relation Detection: An Information-theoretic Approach" pdf

... 2007.c2007 Association for Computational LinguisticsClustering Clauses for High-Level Relation Detection: AnInformation-theoretic ApproachSamuel BrodySchool of InformaticsUniversity of ... of the clusters. For instance, we hada cluster of countries involved in military con-ﬂicts, and another for other countries; a cluster for winning game scores, and another for ties;etc. The ... newsarticles collected uniformly from 20/8/1996 to19/8/1997. Before clustering, several prepro-cessing steps were taken. We had a very largeamount of word values for each of the Sub-ject...

Tài liệu Báo cáo khoa học: "Asynchronous Binarization for Synchronous Grammars" pptx

... Transforming the entire for- est to n-ary form is intractable, however, becausethe number of hyperedges would be exponential inn. Instead, we include only the top k n-ary back-traces for each forest ... Collapsing BinarizationTo facilitate a change in binarization, we transformthe translation forest into n-ary form. In the n-aryforest, each hyperedge corresponds to an originalgrammar rule, and ... CnnThese rules are also anchored to forest nodes. AnyCiremains anchored to the same node as it was inthe n-ary forest. For the new symbol B, we intro-duce a new forest node B that does not correspondto...

Báo cáo khoa học: "Research Methodology for Machine Translation" pptx

... Equivalents. If the new form is a form of a word in the old glossary, the Eng- lish equivalents previously used are carried forward. If no form of the word has occurred before, the linguist assigns ... different occurrences of the same form. Research Methodology 9 10 Edmundson and Hays Word: a form that represents a set of forms differing only in inflection. For example, "great" ... marks before and after the occurrence, and the Russian form of the oc- currence. In order to record all of the information needed in translation and analysis, two cards are required for each...

Báo cáo khoa học: "Syntactic Stylometry for Deception Detection" pptx

... node, e.g., PRPˆNP4→ “you”.4 Experimental Results For all classiﬁcation tasks, we use SVM classi-ﬁer, 80% of data for training and 20% for test-ing, with 5-fold cross validation.2All featuresare ... using AmazonMechanic Turk for the following three topics:“Abortion” (100 essays per class) , “Best Friend”(98 essays per class) , and “Death Penalty” (98essays per class) .3 Feature EncodingWords ... the Association for Computational Linguistics, pages 171–175,Jeju, Republic of Korea, 8-14 July 2012.c2012 Association for Computational LinguisticsSyntactic Stylometry for Deception DetectionSong...

Báo cáo khoa học: "Compositional Semantics for Linguistic Formalisms" pptx

... for linguistic formalisms. For lack of space, some proofs are omitted; an extended version is avail- able as a technical report (Wintner, 1999). 2 Grammar semantics Viewing grammars as formal ... of grammatical formalisms. For the following discussion fix a particular grammar G = (n,E,A~). Definition 5. Let Tc : Z -+ Z be a trans- formation on sets o.f items, where .for every I C_ ... trans- formation on sets o.f items, where .for every [ C ITEMS, [w,i,A,j] E RG(I) iff there exist Yl, ,Yk E I such that yl = [wz,it,Al,jd .for 1 _ < l _ < k and il+t = jl .for 1 <...

Báo cáo khoa học: " COMPUTING MACHINES FOR LANGUAGE TRANSLATION " pptx

... number of standard devices are available for coding the incoming text for insertion into the machine and, after the translation process is completed, for decoding and printing the translation ... its original form, the dissection scheme for endings and compounds can be tried; if this fails, the word can be printed through without alteration. Several methods are available for making ... the requirements of the output language; and (5) recording of the results in written or other form for future use. The general procedure may be illustrated by an ex-ample. Suppose the translator...

Tài liệu Báo cáo khoa học: "Inducing Gazetteers for Named Entity Recognition by Large-scale Clustering of Dependency Relations" ppt

... =ifilog(cp(vti|c)p(ni|c)p(c)). (2)3This formulation is based on the formulation presented inRooth et al. (1999) for English.408We iteratively update the probabilities using the EMalgorithm. For the update procedures ... then split the matrix for the model parameters,p(n|c) and p(vt|c), along with the class coordinate.That is, each cluster node is responsible for storingonly a part of classes Cl, i.e., 1/|P ... op-timal recall (i.e., # optimal/# NEs). “# classes” isthe number of distinct classes in a gazetteer, and“# used” is the number of classes that were out-put for the training set. Gazetteers are as...

Tài liệu Báo cáo khoa học: "Seeing stars: Exploiting class relationships for sentiment categorization with respect to rating scales" doc

... “tedious” (class 1) versus “straightforward”,“likeable” (class 2). Some unexpected distinguish-ing terms for this author are “lion” for class 2 (three- class case), and for class 2 in the four -class ... some examples for one author are:“meaningless”, “disgusting” (class 0); “pleasant”,“uneven” (class 1); and “oscar”, “gem” (class 2) for the three -class case, and, in the four -class case,“ﬂat”, ... possi-bilities for leveraging class relationship informationthan the three -class setting, since it involves more class pairs. Also, even the two-category version ofthe rating-inference problem for movie...

Báo cáo khoa học: "A Procedure for Multi-Class Discrimination and some Linguistic Applications" pptx

... computational tool for inferring, given multiple classes (or, a typology), with attendant instances of these classes, the pro- files (=descriptions) of these classes such that every class is contrasted ... learning, in which from multiple given classes (i.e. a typology) the profiles of these classes are inferred, such that every class is contrasted from every other class by feature values. Ideally, ... nominal feature. Not all classes are absolutely discriminated: Class 4 (za- xranvam) and Class 5 (podavam) are only partially contrasted by the feature NP1. Thus, Class 5 is 66.6% NPl=phys-obj...

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