Báo cáo khoa học: "Automatic Identification of Non-compositional Phrases" pdf

... 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 quality, and shutter lag ... examples of sen- tences that our system identified as reasons of complaints. (1) Unfortunately, I find that I am no longer comfortable in your establishment because of the...

Ngày tải lên: 20/02/2014, 12:20

... in terms of corpus frequencies: kl~ = frequency of common occurrence of word A and word B kl2 = corpus frequency of word A - kll k21 = corpus frequency of word B - kll k22 = size of corpus ... occurrences of words that are translations of each other. If - for example - in a text of one language two words A and B co-occur more of- ten than expected by chance, then...

Ngày tải lên: 08/03/2014, 06:20

... Automatic Identification of Non-compositional Phrases Dekang Lin Department of Computer Science University of Manitoba and Winnipeg, Manitoba, Canada, ... would lead the algorithm to choose the "line of product" sense of "line". We present a method for automatic identification of non-compositional expressions using their statis- ... word-for-wor...

Ngày tải lên: 31/03/2014, 04:20

... (possible) medical conditions. The importance of the task of negation and spec- ulation (a.k.a. hedge) detection is attested by a num- ber of research initiatives. The creation of the Bio- Scope corpus (Vincze ... 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...

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

... 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

... application of the method is auto- matic or semi-automatic compilation of a glossary or technical-term dictionary for a certain domain. Re- cursive application of the method enables to collect a list of ... number of pages that sat- isfy a given query. In case the query is a term, its hit is the number of pages that contain the term on the Web. We use the following notation. H(x)=...

Ngày tải lên: 20/02/2014, 16:20