Báo cáo khoa học: "Efficient Construction of Underspecified Semantics under Massive Ambiguity" pot

... Efficient Construction of Underspecified Semantics under Massive Ambiguity Jochen D5rre* Institut fiir maschinelle Sprachverarbeitung University of Stuttgart Abstract We ... investigate the problem of determin- ing a compact underspecified semantical representation for sentences that may be highly ambiguous. Due to combinatorial explosion, the naive method of bui...

Ngày tải lên: 24/03/2014, 03:21

... there are two sentences in each of the 454 (1) kono software-no riten-ha hayaku ugoku koto this software-POST advantage-POS T quickly run to The advantage of this software is to run quickly. (2) ... the polarity of words There are some works that discuss learning the po- larity of words instead of sentences. Hatzivassiloglou and McKeown proposed a method of learning the polarity...

Ngày tải lên: 20/02/2014, 12:20

... cluster of cities that because of sparse data was assigned a poor hypernym. Some of the suggestions in the .following sec- tion might correct this problem. Of the 50 noise words, a few of them ... two groups of nouns, we define similarity as the average of the cosines between each pair of nouns made up of one noun from each of the two groups. sim(A,B) = Ev,wCOS (v...

Ngày tải lên: 08/03/2014, 06:20

... Quality =  (2) # of test sentences 6.2 MT Quality vs. Construction Methods The level of MT quality achieved by each of the construction methods is compared in Table 2. Coverage of exact rules denotes ... trained sentences by TDMT. 157 # of Linked Target Words # of Different Words in Target Language Mean # of Translation Words per Source Word Mean Context-freeness (# of W...

Ngày tải lên: 08/03/2014, 21:20

... identified in 21% of the clauses of a test set (resp. 44% of this test set where ungrammatical or verb-less clauses were removed). 1 Introduction In syntactic and semantic analysis of spontaneous ... which provide a richer set of semantic role informa- tion of verbal heads, l° It is interesting to see that even at this early stage of our project the results of this shal...

Ngày tải lên: 23/03/2014, 19:20

... efficient processing of flexible catego- rial grammar problematic, since quite often there is an exponential growth of the number of possible derivations, relative to the length of the string to ... node raising constructions and other in- stances of non-constituent conjunction are problematic, because it is not clear what the status of the coordinated elements in these con...

Ngày tải lên: 24/03/2014, 05:21

... 1957). 525 tions; the frequency of application and acceptability of results also indicate its degree of productivity. 3 Prefix Semantics in HPSG The main advantage of HPSG (Head Driven Phrase ... the semantics of the complex word is structure shared with the semantics of the head. (Riehemann, 1993) found that subcategorization frames were incompatible with her data. In...

Ngày tải lên: 08/03/2014, 21:20

... 0 Table 2. Distribution of phenotypes of erythrocyte histone H1.a in progeny from various matings of Rhode Island Red R11 chickens. Type of mating Number of Frequency of phenotypes in progeny (observed ... arrays of nucleosomes are linked together by DNA to form chromatin fibers with a diameter of 10 nm. In bulk chromatin, one molecule of histone H1 binds to a linker DNA seal...

Ngày tải lên: 16/03/2014, 13:20

... amplitude of the fast phase of the l atter represen ted up to 40% of the total amplitude, with a rate constant (k obs ) independent of Pc concentration (data not shown). From the k obs values of this fast ... oli. The construction of the synthetic gene, e xpression c onditions, purification protocol and characterization of the recombinant protein will be pub- lished elsewhere....

Ngày tải lên: 16/03/2014, 16:20

... Learning of Dependency Structure for Language Modeling Jianfeng Gao Microsoft Research, Asia 49 Zhichun Road, Haidian District Beijing 100080 China jfgao@microsoft.com Hisami Suzuki Microsoft ... Examples of dependency structure. (a) A dependency structure of an English sentence. Square brackets indicate base NPs; underlined words are the headwords. (b) A Japanese equivalent...

Ngày tải lên: 17/03/2014, 06:20