labeling of similar contexts

... 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 ... 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, ... Linguistics SenseClusters: Unsupervised Clustering and Labeling of Similar Contexts Anagha Kulkarni and Ted Pedersen Department of Computer Science University of Minnesota Duluth, MN 55812 {kulka020,tpederse}@d.umn.edu http://senseclusters.sourceforge.net Abstract SenseClusters...

Ngày tải lên: 08/03/2014, 04:22

... Analysis of Indirect Speech Acts. American Journal of Computational Linguistics, v. 6, n. 3, 1980. 42 TOWARDS A THEORY OF COMPREHENSION OF DECLARATIVE CONTEXTS Fernando Gomez Department of Computer ... Science University of Central Florida Orlando, Florida 32816 ABSTRACT An outline of a theory of comprehension of declarative contexts is presented. The main aspect of the theory being developed ... bearing on a theory of ~omputer understanding of descriptive contexts. One of the main tenets of the proposed research is that descriptive (or declarative as we prefer to call them) contexts call...

Ngày tải lên: 21/02/2014, 20:20

... 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

... Ilcell, subj -of, adapt[l=l Ilcell, subj -of, behavell=l [Icell, pobj -of, in11=159 [[cell, pobj -of, insidell=16 Ilcell, pobj -of, intoll=30 Ilcell, nmod -of, abnormalityll=3 Ilcell, nmod -of, anemiall=8 ... Ilcell, nmod -of, architecturell=l [[cell, obj -of, attackl[=6 [[cell, obj -of, bludgeon[[=l [Icell, obj -of, callll=l 1 Hcell, obj -of, come froml[=3 Ilcell, obj -of, containll 4 Ilcell, obj -of, decoratell=2 ... shows the similarity tree for the top-40 most similar words to duty. The first number behind a word is the similarity of the word to its parent. The second number is the similarity of the word...

Ngày tải lên: 17/03/2014, 07:20

... reported in the last column of Table 3. In all the experiments, we keep h = 20, i.e., all the 20 columns of V 1 are kept. Comparing the F1 score of ASO against that of the linear classifier in ... Linguistics Learning Predictive Structures for Semantic Role Labeling of NomBank Chang Liu and Hwee Tou Ng Department of Computer Science National University of Singapore 3 Science Drive 2, Singapore 117543 {liuchan1, ... nght}@comp.nus.edu.sg Abstract This paper presents a novel application of Alternating Structure Optimization (ASO) to the task of Semantic Role Labeling (SRL) of noun predicates in NomBank. ASO is a recently proposed...

Ngày tải lên: 23/03/2014, 18:20

Ngày tải lên: 28/03/2014, 20:20

Ngày tải lên: 30/03/2014, 13:20

Ngày tải lên: 31/03/2014, 03:20

... Chart of modals and similar expressions MODAL USES PRESENT/ FUTURE PAST May 1)polite request 2)formal permission 3)less ... studied last night. She ought to have done well on the test. Had better 1)advisability with threat of bad result You had better be on time, or we will leave without you (past form uncommon) Be supposed ... had to go to class yesterday. Mary must have been sick yesterday. Have to 1) necessity 2)lack of necessity (negative) I have to go to class today I don t have to go’ to class today. I had to...

Ngày tải lên: 14/09/2013, 01:10

... of transitions between contexts of learning and using mathematics; between contexts for different mathematical prac- tices. In our work the reference to contexts sometimes acquires a status of ... standards: the politics of education in a conservative age. Proceedings of the 22nd Conference of the International Group for the Psychology of Mathematics Education, University of Stellenbosh, South ... moment in the zoom of a lens: towards a discursive psychology of mathematics teaching and learning. Proceedings of the 22nd Conference of the International Group for the Psychology of Mathematics...

Ngày tải lên: 12/02/2014, 16:20

... 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

... 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

... 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

... 6. Electrostatic properties of the models The existence onto the surface of scorpion a-neurotoxins of an electrostatic potential is suspected to contribute to the recognition of the receptor site [45]. ... face A (hydrophobic face) of BotXIV and BotXIVM8-10, com- paratively to the published RMN structure of LqhaIT [46]. On the contrary of the clear dipolar charge repartition of LqhaIT (with positive ... modify the yield of production of the three recombinant chimera. This suggests that the variants display a structural stability and a proteolytic sensitiveness similar to those of the starting...

Ngày tải lên: 08/03/2014, 23:20

... conditions of phosphate starvation that lead to a massive induction of PhoD synthesis. A controversial aspect of studies into the TatAdCd system of B. subtilis was the identification of a soluble substrate-binding ... Tat complexes of Gram- negative and Gram-positive bacteria in terms of the size of the TatC-containing substrate-binding com- plex. Some of the difference may stem from the absence of a TatB component, ... subtilis Tat systems are capable of translocating a similar set of substrates, but makes the differences we observe between the membrane-localized Tat complexes of E. coli and B. subtilis all the...

Ngày tải lên: 16/03/2014, 04:20

... receptor of B. germanica. (A) Organization of B. germanica VgR showing the characteristic domains of an LDL receptor. (B) Comparison of modular domains between different insect VgRs. Percentage of similarity ... expected, BgVgR was most similar to P. americana VgR (72% overall similarity, with 84% similarity when comparing the first EGF precursor homology domain). Similarity among VgRs of the other insects ... clearer pattern of dsBgVgR-treated specimens. (F,G) Immunodetection of BgVgR in ovaries of 4-day-old females that had been treated with dsBgVgR. (H,I) Immunodetection of BgVgR in ovaries of 4-day-old...

Ngày tải lên: 16/03/2014, 14:20

... 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

... Table 3. The similarity feature is to capture the word sim- ilarity and semantic similarity between candidate contexts and answers. The word similarity is based on cosine similarity of TF/IDF weighted ... only represent 34% of all correct contexts. To effectively detect contexts, the dependency between sentences is important. For example in Figure 1, both S1 and S2 are contexts of question 1. S1 ... gaocong@cs.aau.dk cyl@microsoft.com zxy-dcs@tsinghua.edu.cn Abstract Online forum discussions often contain vast amounts of questions that are the focuses of discussions. Extracting contexts and answers together...

Ngày tải lên: 23/03/2014, 17:20

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Ngày tải lên: 23/03/2014, 21:21