Báo cáo khoa học: "Confidence-Weighted Learning of Factored Discriminative Language Models" pptx

... understudied in the field of corpus-based learning of semantic relations. Machine learning methods have been previously applied to deter- mine semantic relations such as is-a and part -of, also succession, ... difficulty of decision in the annotation of fine-grained semantic relations. 2 While the first gold standard dataset of verb pairs was annotated out of context, we construc...

Ngày tải lên: 07/03/2014, 22:20

... Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 360–368, Suntec, Singapore, 2-7 August 2009. c 2009 ACL and AFNLP Semi-supervised Learning of Dependency ... x. By relating the sum of the scores of all possible trees to counting the number of spanning trees in a graph, it can be shown that Z x is the determinant of the Kirchoff matrix...

Ngày tải lên: 20/02/2014, 07:20

... Linguistics Semi-Supervised Learning of Partial Cognates using Bilingual Bootstrapping Oana Frunza and Diana Inkpen School of Information Technology and Engineering University of Ottawa Ottawa, ... {ofrunza,diana}@site.uottawa.ca Abstract Partial cognates are pairs of words in two languages that have the same meaning in some, but not all contexts. Detecting the ac...

Ngày tải lên: 20/02/2014, 12:20

... of RP mRNA for adjustment of the biosynthesis of ribosomes to the requirements of cell growth and differentiation. In addition, a relevant contribution of protein turnover to the regulation of RP ... cells showed that alter- ation of any of the involved RPs can affect the matu- ration of rRNA [72]. Moreover, investigations on the effect of mutations on the synthesis of R...

Ngày tải lên: 07/03/2014, 01:20

... corre- sponds to the problem of finding where the value of falls in the sorted list of proba- bilities of success of the unique questions of . If the value immediately precedes the value of in the list, then ... the proof of Theorem 2. Since the unique questions in are ordered by increasing probability of success, find- ing the optimal position of the common question in the...

Ngày tải lên: 08/03/2014, 04:22

... logic time-dependency of infor- mation enters into the definition of the notion of a proposition. Propositions are defined as functions from a set of times TI to the set of truth values true ... expres- sions solves a set of well-known problems that arise when traditional systems of tense logic are applied to natural language semantics. Based on the principle of rule-t...

Ngày tải lên: 08/03/2014, 18:20

... accuracy of our speech recognizer is 76.27%; we used only a subset of the data without tuning and the sentences of this sub- set are longer and more complex than those of the removed ones, most of ... prior variance of 20, and 200 or fewer trigger features (down to a gain threshold of 1.0) for each round of inducing iteration (100 iterations of L-BFGS for the ME inducer and...

Ngày tải lên: 20/02/2014, 12:20

... tail of the edited sentence to be thrown away. The 1HGLISH interface alleviates the problem of linguis- tic coverage for designers and users of natural language inter- faces. A natural language ... Extragrammatical Language. American Journal of Computa- tional Linguimics, 1983, 3-4, 123.146. Davis, R. Interactive Transfer of Expertise: Acquisition of New Inference Rul...

Ngày tải lên: 21/02/2014, 20:20

... symbols and any of its aspects which may affect the score of a translation hypothe- sis when it is combined with another rule. In the case of the language model these aspects include any of its target-side ... aspects of the source word itself and features corresponding to aspects of the head of a noun phrase containing it were treated as separate types. 4.3 Gender Czech nouns...

Ngày tải lên: 07/03/2014, 22:20

... vocabulary, and language modeling can be accommodated in several ways, each of which make different trade-offs and thus induce different ∗ Dept. of Mathematics/AMSC, UMD † College of Information ... strongly because discriminative terms are often not recognized in all transcript sources. We can think of the probability of relevance map- ping learned by the factor model of Sect...

Ngày tải lên: 08/03/2014, 01:20