Báo cáo khoa học: "Automatic Labeling of Semantic Roles" potx

... Elements: Categorization Cognizer Item Category Criterion S NP PRP VP VBD NP SBAR IN S NNP VP VBD NP PP PRP IN NP NN Goal Source Theme Target NP He heard the sound of liquid slurping in a metal container as approached him from behindFarrell

Ngày tải lên: 08/03/2014, 05:20

... can trivially map to a semantic representation 1 , we can make use of syntactic cues. In the labeling stage, semantic roles are represented by clusters of ar- guments, and labeling a particular ... McDonald et al., 2011). The goal of this work is to show that parallel data is useful in unsupervised induction of shallow semantic representations. Semantic role labeling (SR...

Ngày tải lên: 16/03/2014, 19:20

... subject of to be the leftmost NP sib- ling of commander VP, and a complement of to be a node that is a child of the head VP, excluding NPs whose head is a number or a noun from a list of common ... on the ability of a verb to occur in pairs of syntactic frames (diathe- sis alternations); different senses of a verb belong to different verb classes, which have different sets of...

Ngày tải lên: 31/03/2014, 03:20

... children (starting from the root of the subtree) to the rule pattern subtree. Nodes of type *scope* and * match any number of nodes, similar to the semantics of Regex Kleene star (*). 5 Results As ... Statistics of the BioScope corpus. The 2nd and 3d columns show the total number of cues within the datasets; the 4th and 5th columns show the percentage of negated and spec- ulativ...

Ngày tải lên: 20/02/2014, 04:20

... ex- amples of the previous section. From the point of view of bag -of- word methods, the pairs (T 1 , H 1 ) and (T 1 , H 2 ) have both the same intra-pair simi- larity since the sentences of T 1 and ... rules that describe a non trivial set of entailment cases. The experiments with the data sets of the RTE 2005 challenge show an improvement of 4.4% over the state -of- the-art me...

Ngày tải lên: 20/02/2014, 12:20

... 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

... calculated semantic orientations of words based on WordNet 2 synonyms. In our pre- vious work (Kim and Hovy, 2005), we demon- strated that the list of words produced by a com- bination of those ... specific and tangible features. Also, there are somewhat a fixed set of features of a specific type of product, for exam- ple, ease of use, durability, battery life, photo qual...

Ngày tải lên: 20/02/2014, 12:20

... Methods PoStag In the first of these, we constructed a rough approximation of typical sentence grammar structure by taking bigrams over part -of- speech tags. 6 Then, given a string of PoS tags of length n, t 1 . ... magnitude of the first three parser metrics, however, lends support to the idea of Wan et al. (2005) to use something like these as indicators of generated sentence fl...

Ngày tải lên: 20/02/2014, 12:20

... construction of N-best translation lexicons from parallel text. Melamed (1995) used the ratio (LCSR) between the length of the LCS of two words and the length of the longer word of the two ... WLCS score ending at word x i of X and y j of Y, w is the table storing the length of consecu- tive matches ended at c table position i and j, and f is a function of consecutiv...

Ngày tải lên: 20/02/2014, 16:20

... the word senses numbered i of the word x. I x is the word sense indexing function of x that gives an index to each sense of the word x. All contextual words x i ±j of a central word x have ... 1 shows the average number of clusters with each clustering method shown chapter 3 by the part of speech. WC and WF are the average number of senses by the part of speech. In Ta...

Ngày tải lên: 20/02/2014, 16:20