Tài liệu Báo cáo khoa học: "Computing Lexical Chains with Graph Clustering" pdf

... Weakly cohesive lexical chains (Fig. 1b) connect terms without cycles and with a diameter m = |V|  1. 3. Moderately cohesive lexical chains (Fig. 1c) are in-between the above cases with m [1, ... term Figure 1. Lexical chains of different cohesive strength. 86 3.2 Computing Lexical Chains The algorithm consists of two stages. First, we compute lexical chains i...

Ngày tải lên: 20/02/2014, 12:20

... can naturally resolve the mismatch within the sentence by adding the in- formation "on top of". Divergences are thus lexical mismatches resolved within a sentence by coocur- ring ... Y to Z" with neutral honorificity, ageru has the viewpoint on X, and burets, the viewpoint on Z. Sasiageru honors Z with the viewpoint on X, and l~udasaru honors X with the vie...

Ngày tải lên: 20/02/2014, 21:20

... provided for the same term by different lexical semantic re- sources. We compare monolingual trans- lation models built from lexical semantic resources with two other kinds of datasets: manually-tagged ... pages 728–736, Suntec, Singapore, 2-7 August 2009. c 2009 ACL and AFNLP Combining Lexical Semantic Resources with Question & Answer Archives for Translation-Based Answer Find...

Ngày tải lên: 20/02/2014, 07:20

... the three with the high- est weights, the three with the lowest weights, and the middle or remaining three. Voting first occurs within the group, and the group’s vote is brought forward with a weight ... achieved without recourse to contextual data. Lexical re- sources enriched with, for example, syntactic in- formation, in which some portion of the resource is hand-mapped to another...

Ngày tải lên: 20/02/2014, 18:20

... The Lexical Component of Natural Processing George A. Miller Cognitive Science Laboratory Princeton ... is generally considered to be the branch of engineering that uses computers to do useful things with linguistic signals, but it can also be viewed as an extended test of computational theories ... natural language processing has re- vealed, polysemy is probably the most frustrat...

Ngày tải lên: 20/02/2014, 18:20

... Acquiring Lexical Generalizations from Corpora: A Case Study for Diathesis Alternations Maria Lapata School ... (1993) assumes that the syntactic realiza- tion of a verb's arguments is directly correlated with its meaning (cf. also Pinker (1989) for a similar pro- posal). Thus one would expect verbs ... disam- biguation (Dorr and Jones, 1996), machine transla- tion (Dang et a...

Ngày tải lên: 20/02/2014, 19:20

... 2002), a multilingual lexical database in which an Italian wordnet has been created in strict alignment with the Princeton WordNet. To enrich the Italian lexical database with phrasets, we explored ... manage lexical gaps, i.e. cases in which a language expresses a concept with a lexical unit whereas the other language does not. In the current version of MultiWordNet we repres...

Ngày tải lên: 22/02/2014, 02:20

... N-best list with the lowest word error rate with respect to the mul- tiple reference translations for the sentence. We then evaluated the quality of these “oracle” trans- lations with all error ... fol- lowed by the alignment of the reordered secondary hypotheses 2-4 with the primary hypothesis 1. The alignment is shown with the | symbol, and the words of the primary hypothesis are...

Ngày tải lên: 22/02/2014, 02:20

... allosteric DNAzyme with dual RNA-cleaving and DNA-cleaving activities is very challenging. We used an in vitro-selected pistol-like (PL) DNAzyme as a DNA scaffold for designing a DNAzyme with dual catalytic ... As compared with PL DNAzyme, DRc DNA- zyme function seemed to have decreased sensitivity to the reaction temperature. DRc DNAzyme exhibited a broad functional range for temperatu...

Ngày tải lên: 16/02/2014, 15:20

... correlating with changes in gene expression [35]. In mammalian cells, the Ikaros transcriptional regulator, which activates lymphocyte-specific expres- sion, was found to associate with transcriptionally ... INM proteins were shown to directly associate with chroma- tin modifiers and transcriptional repressors: 1. Lam- in B receptor (LBR) was found to associate with heterochromatin prot...

Ngày tải lên: 19/02/2014, 02:20