labeling of ambiguous names

Báo cáo khoa học: "SenseClusters: Unsupervised Clustering and Labeling of Similar Contexts" potx

Báo cáo khoa học: "SenseClusters: Unsupervised Clustering and Labeling of Similar Contexts" potx

... portion of the English Giga- Word corpus as the source of contexts. While there are many ambiguous names in this data, it is difficult to evaluate the results of our approach given the ab- sence of ... a disambiguated version of the text. Thus, we automatically create ambiguous names by con- flating the occurrences associated with two or three relatively unambiguous names into a single obfus- cated ... the percentage of the majority class (MAJ.) and count (N) of the total number of contexts for the names or newsgroups. The majority percentage provides a simple baseline for level of performance,...

Ngày tải lên: 08/03/2014, 04:22

4 322 0
Báo cáo khoa học: "Automatic Labeling of Semantic Roles" potx

Báo cáo khoa học: "Automatic Labeling of Semantic Roles" potx

... t) S NP PRP VP VBD NP SBAR IN S NNP VP VBD NP PP PRP IN NP NN Goal Source Theme Target NP He heard the sound of liquid slurping in a metal container as approached him from behindFarrell

Ngày tải lên: 08/03/2014, 05:20

9 397 0
Báo cáo khoa học: "Semantic Transliteration of Personal Names" docx

Báo cáo khoa học: "Semantic Transliteration of Personal Names" docx

... the C-C corpus, out of the total of 4,507 characters, only 776 of them are for surnames. It is interesting to find that female given names are represented by a smaller set of characters than ... given names (see Table 5), hard decision of gender had led to deterioration in MRR performance of the male names compared to the case where no prior information was assumed. Soft decision of ... the original pattern of names in Eastern Asia such as China, Korea and Vietnam, in which a limited number of characters 4 are used for surnames while those for given names are less restrictive....

Ngày tải lên: 17/03/2014, 04:20

8 205 0
Báo cáo khoa học: "PCFGs, Topic Models, Adaptor Grammars and Learning Topical Collocations and the Structure of Proper Names" ppt

Báo cáo khoa học: "PCFGs, Topic Models, Adaptor Grammars and Learning Topical Collocations and the Structure of Proper Names" ppt

... first names, which ap- pear before middle names, which in turn appear before surnames, etc. Similarly, many company names end in fixed phrases such as Inc. Here we think of first names as a kind of ... grammar based on the insights of the PCFG encoding of LDA topic models that learns some of the structure of proper names. The key idea is that elements in proper names typically appear in a fixed ... expansion to provide analyses for proper names that don’t fit either of the first two expansions). We extracted all of the proper names (i.e., phrases of category NNP and NNPS) in the Penn WSJ...

Ngày tải lên: 23/03/2014, 16:20

10 438 0
Tài liệu Báo cáo khoa học: Comparison of membrane fraction proteomic profiles of normal and cancerous human colorectal tissues with gel-assisted digestion and iTRAQ labeling mass spectrometry pptx

Tài liệu Báo cáo khoa học: Comparison of membrane fraction proteomic profiles of normal and cancerous human colorectal tissues with gel-assisted digestion and iTRAQ labeling mass spectrometry pptx

... examined the expression status of several of the identified proteins using western blotting. These repre- sentative proteins were selected based on changes of more than twofold in in their expression ... extraction with 200 lLof25mm triethylammonium bicarbonate, 200 lL of 0.1% (v ⁄ v) trifluoroacetic acid in water, 200 lL of 0.1% (v ⁄ v) trifluo- roacetic acid in acetonitrile and 200 lL of 100% acetoni- trile. ... functions of the identified proteins can provide clues about their roles in the pathogenesis of CRC. In general, factors that contribute to the patho- genesis of CRC include the accumulation of mutations and...

Ngày tải lên: 16/02/2014, 15:20

11 590 0
Tài liệu Báo cáo khoa học: "A Comparison of Alternative Parse Tree Paths for Labeling Semantic Roles" ppt

Tài liệu Báo cáo khoa học: "A Comparison of Alternative Parse Tree Paths for Labeling Semantic Roles" ppt

... high labeling accuracy when em- ploying each of these parsing alternatives? Each of these four questions is addressed in the four subsequent sections of this paper, fol- lowed by a discussion of ... difficult research problems. Just as the Penn Treebank offers the possibility of developing systems capable of accurate syntactic parsing, corpora of semantic role annotations open up new possibilities ... dependency parser (Lin, 1998)? 2. Given that each of these alternatives creates a different formulation of the parse tree of a sen- tence, which of them encodes branches that are easiest to align...

Ngày tải lên: 20/02/2014, 12:20

8 520 0
Tài liệu Báo cáo khoa học: "Deriving an Ambiguous Word’s Part-of-Speech Distribution from Unannotated Text" doc

Tài liệu Báo cáo khoa học: "Deriving an Ambiguous Word’s Part-of-Speech Distribution from Unannotated Text" doc

... pair consisting of the left and right neighbor of a particular token is characteristic of the part of speech at this position, and by clustering the neighbor pairs on the basis of their middle ... context of cognition and child lan- guage has been proposed by Mintz (2003), is that words of a particular part of speech often have the same left and right neighbors, i.e. a pair of such neighbors ... instead of global co-occurrence vec- tors. As can be seen from human performance, in almost all cases the local context of a syntactically ambiguous word is sufficient to disambiguate its part of...

Ngày tải lên: 20/02/2014, 12:20

4 389 0
ANALYSIS OF NAMES OF ORGANIC CHEMICAL COMPOUNDS BY USING PARSER COMBINATORS AND THE GENERATIVE LEXICON THEORY doc

ANALYSIS OF NAMES OF ORGANIC CHEMICAL COMPOUNDS BY USING PARSER COMBINATORS AND THE GENERATIVE LEXICON THEORY doc

... Systematic names are those expressed in terms of the official nomenclature, whereas trivial terms are usual designations for them. Semi-systematic names are a combination of trivial or class names ... Correct names: names that represent theoretically possible chemical compounds written according to the IUPAC Official Nomenclature Rules (IUPAC-ONR); • Inadequate names: names that, in despite of ... or not the name respects the current official nomenclature. This capacity of treating even names which, in spite of do not respect the constraints of the official nomenclatures, correspond to...

Ngày tải lên: 05/03/2014, 20:20

23 541 0
Báo cáo khoa học: "A System for Semantic Analysis of Chemical Compound Names" pdf

Báo cáo khoa học: "A System for Semantic Analysis of Chemical Compound Names" pdf

... underspecifying names do not need to be re- solved but denote a set of compounds, analogous to class names. The particularities of chemical compound names mentioned above, namely synonymy, class names, ... underspecifying names and interaction be- tween morpheme’s meanings, complicate auto- matic classification and mapping of the names. To achieve mapping of synonymous chemical compound names, name ... Processing University of Stuttgart Azenbergstr. 12 70174 Stuttgart, Germany engelken@eml-research.de Abstract Mapping and classification of chemical compound names are important aspects of the tasks of BioNLP....

Ngày tải lên: 08/03/2014, 01:20

9 479 0
Báo cáo khoa học: "Joint Learning Improves Semantic Role Labeling Kristina Toutanova Dept of Computer Science Stanford " pot

Báo cáo khoa học: "Joint Learning Improves Semantic Role Labeling Kristina Toutanova Dept of Computer Science Stanford " pot

... po- tential applications of role labeling may require cor- rect labeling of all (or at least the core) arguments in a sentence in order to be effective, and partially correct labelings may not be ... 3.1. The labeling of the tree in Figure 1 is a specific example of the kind of errors fixed by the joint mod- els. The local classifier labeled the first argument in the tree as ARG0 instead of ARG1, ... labels of the semantic argu- ment nodes of a verb. A drawback of local models is that, when they decide the label of a parse tree node, they cannot use information about the labels and features of...

Ngày tải lên: 08/03/2014, 04:22

8 483 0
Báo cáo khoa học: "Prediction of Thematic Rank for Structured Semantic Role Labeling" doc

Báo cáo khoa học: "Prediction of Thematic Rank for Structured Semantic Role Labeling" doc

... number of features to rep- resent various aspects of the syntactic structure of a pair of arguments. All features are listed in Table 1. The Path features are designed as a sequential collection of ... a j , such as labeling a i  a j as ””, identification of thematic rank can be formulated as a classification problem. De- lemma, POS Tag, voice, and SCF of predicate categories, position of two arguments; ... referenced argument of a i , 4) a i RAa j : a i is the referenced argument of a j , 5) a i ACa j : a j is the continuation argument of a i , 6) a i CAa j : a i is the continuation argument of a j , 7)...

Ngày tải lên: 17/03/2014, 02:20

4 359 0

Bạn có muốn tìm thêm với từ khóa:

w