Báo cáo khoa học: "Reasoning with Descriptions of Trees *" pptx

... structure of trees in terms of the domination relation rather than the parent relation. This forms the basis of a class of deterministic parsers which build partial descriptions of trees rather ... Reasoning with Descriptions of Trees * James Rogers Dept. of Comp. & Info. Science University of Delaware Newark, DE 19716, USA K. Vijay-Shanker Dept. of...

Ngày tải lên: 31/03/2014, 06:20

... eration stages of Japanese-to-English system of the machine translation project by the Japanese Govern- ment, with the emphasis on the ideas to deal with the incompleteness of linguistic knowledge ... as the flexibility of the generation process, the utilization of strong lexical information. The system is in the course of development in collaboration with a num- ber...

Ngày tải lên: 31/03/2014, 17:20

... third (7 of 21, 5 of which were of type TIME) of all missed time expressions came from numeric expressions being spelled out, e.g. “nineteen seventy- nine”. More than two thirds (11 of 16) of the time ... word of the sentence POS1: part -of- speech of the word before “today” POS2: part -of- speech of the word after “today” Label: specific or non-specific (class label) Table...

Ngày tải lên: 20/02/2014, 18:20

... inhibition of metformin oxida- tion, in the presence of added hydrogen peroxide, would come from the reaction of Æ OH radicals with H 2 O 2 .An estimated value of the second order rate constant of k( Æ OH ... no detectable effect of H 2 O 2 as an initiator of metformin oxidation in the absence of irradiation. However, under irradiation, there was a noticeable effect of the...

Ngày tải lên: 07/03/2014, 16:20

... independent subtrees. Given a table -of- contents of depth n with a root branching factor of r, we gen- erate r subtrees, with a depth of at most n − 1. We randomly select 80% of these trees for training, ... small number of available trees. Admittedly, this method of generating training and testing data omits some dependencies at the level of the table -of- contents as...

Ngày tải lên: 17/03/2014, 04:20

... correlated with the amount of coenzyme bound in the a ctive centers of TK [3,4]. This approach was used to determine the affinity of the coenzyme to TK [4,9] and to study the interaction of ThDP with ... bsorption after a ddition of the final s ample of T hDP was used as a sign of full reconstitution of holoTK. 10 The final absorption level characterizes the a mount of holo...

Ngày tải lên: 23/03/2014, 13:20

... collocated with dif- ferent words. For instance, when “潮流 chao-liu „trend‟” is collocated with “时代 shi-dai „times‟”, they are often translated into the “trend of times”; when collocated with “历史 ... composed of a group of words that occur together more often than by chance. Collocations effectively reveal the strong association among words in a sentence and are widely...

Ngày tải lên: 30/03/2014, 21:20

... parser is part of the correct analysis of the input. Again, in the context of this earlier theory, the form of the indelible syntactic analysis was that of a tree. One key idea of this earlier ... consequences of expressing syntactic structure in terms of domination to the use of names within D- theory. As stated above, it is this use of names which really makes...

Ngày tải lên: 21/02/2014, 20:20

... the number of occurrences of t in all input trees and count(t|FAIL) is the number of occurrences of t in input trees for which no output was produced. Since we work with subtrees of arbitrary ... dividing the set of trees output by the surface realiser into a set of trees (FAIL) associated with overgeneration (the generated sentences do not match the original sentenc...

Ngày tải lên: 16/03/2014, 19:20

... of novel pep- tides with type II topoisomerase inhibitory activity [133]. Concluding remarks parD of R1, jointly with ccd of F and parB ⁄ hok-sok of R1, contributed to establishing the field of ... result of the stimula- tion by DnaB of the synthesis of short RNAs by DnaG primase [117]; some of these RNA primers could titrate the RNase activity of Kid or could bind to t...

Ngày tải lên: 18/02/2014, 04:20