Báo cáo khoa học: "System Demonstration of On-Demand Information Extraction" doc

... large portion of the data; 97.5% of types and 66.3% of instances, as shown in Table 1. The sub-trees of frequency of 10,001 or more are relatively small; only 76 kinds and only 2.5% of the instances. ... when using 11 years of newspaper corpus. In addition, functionality was added to facilitate inves- tigation of the extracted information. 1 Introduction The goal of...

Ngày tải lên: 31/03/2014, 01:20

... presence of hemocyanin in a broad range of ametabolous and hemimetabolous hexapod taxa. We obtained a total of 12 full-length and 5 partial cDNA sequences of hemo- cyanins from representatives of Collembola, ... tracheal system of Collembo- la, with special reference to that of Sminthurus viridis, Lubb. Q J Microsc Sci 71, 15–30. 39 Williams CB (1913) A summary of the present...

Ngày tải lên: 18/02/2014, 08:20

... multiple sources of dlsamblguatlng information. Leaving aside vague or misleading cases, it is clear that all of these types of information yield the same outcome, assignment of the contextually-approprlate ... a person is much more likely to walk on the surface of a ship than on the surface of a pack of playing cards. Other types of contextual information can be...

Ngày tải lên: 21/02/2014, 20:20

... talking. The addition of this new property expands the domain of the set of properties denoted by "John", thus forcing the expansion of the characteristic function of that set to specify ... determine the meanings of the sentences actually presented to the system. Dynamic model-theoretic semantics allows the evaluation of a formula to cause the addition of in...

Ngày tải lên: 21/02/2014, 20:20

... understanding of the differences in the kinds of non-fluencies that occur, we are left with a kind of grab bag of grammatical deviation that can never be analyzed except by some sort of general ... corpus of over twenty hours of transcribed speech, in the process of using the parser to search for various syntactic constructions. Tht~ transcripts are of sociolinguistic...

Ngày tải lên: 21/02/2014, 20:20

... organizers collect sequences of ‘targets’ i.e. of pro- teins, the structure of which are likely to be solved within a few weeks. These sequences are made available to the community of computational biologists ... experi- mental communities that the prediction of the structure of proteins non-evolutionarily related to proteins of known structure is not completely out of reach....

Ngày tải lên: 07/03/2014, 16:20

... guessed for distinct (occurrences of) productions are trans- ported to distinct (occurrences of) terminal produc- tions [cf. Section 3 of (Potthoff and Thomas, 1993) and page 346 of (Hoogeboom and ten Pas, ... argumentation). Instead of taking the lexicographically smallest element of pos N (r) or pos ∆ (r) in the previous proof, we can take any fixed element of that set. In the de...

Ngày tải lên: 07/03/2014, 18:20

... School of Information Sciences, Hiroshima City University nanba@hiroshima-cu.ac.jp Haruka Taguma School of Information Sciences, Hiroshima City University Takahiro Ozaki School of Information ... Daisuke Kobayashi Graduate School of Information Sciences, Hiroshima City University kobayashi@ls.info.hiroshima- cu.ac.jp Aya Ishino Graduate School of Information...

Ngày tải lên: 08/03/2014, 01:20

... advantage of semantic feedback, and those which do not. In general, the early work concerned itself with learning grammars in the absence of information about the meaning of sentences. Examples of ... mean length of utterance as a function of the number of sample sentences (taken in groups of five) seen by the program, b As one would expect, the system starts with an av...

Ngày tải lên: 17/03/2014, 19:21

... result of the application of that metarule. This maximal set is called the finite closure (FC) of a set R of lexical ID rules under a set M of metarules. The cleanest possible complexity proof ... finite closure of a set of metarules M on a set of ID rules R. The category membership problem is to determine if a category or C or a legal extension of C is in the set K...

Ngày tải lên: 17/03/2014, 20:20