Báo cáo khoa học: "Examining the Content Load of Part of Speech Blocks for Information Retrieval" pptx

... membership of the parts of speech within such blocks reflects the content load of the blocks, on the basis that open class parts of speech are more content- bearing than closed class parts of speech. ... content- poor, the same can hold for blocks of parts of speech. According to our first hypothe- sis, POS blocks can be categorized as content- rich...

Ngày tải lên: 08/03/2014, 02:21

... (3) merge the list of newly generated features with the list of bigrams 20 and select the top 5000 features from the merged list according to their WLLR. We then repeat procedure P for the trigrams and ... number of test documents and find that the fea- ture vectors corresponding to some of these docu- ments (particularly the short ones) have all zeroes in them. In oth...

Ngày tải lên: 17/03/2014, 04:20

... (2) The first summand accounts for the edges en- tirely within the region, and the second one ac- counts for the edges in C(v, r) to the extent that they are within the radius. The definition of ... because the dis- tances in this extended graph are based on the so- lution of the LP. The properties of this algorithm are given by the following two theorems (pr...

Ngày tải lên: 20/02/2014, 04:20

... learning for sequence labeling. In Proceedings of the Joint Conference of the 47th An- nual Meeting of the ACL and the 4th International Joint Conference on Natural Language Processing of the AFNLP, ... exception in the AL for NLP field was the work of Hwa (2000), which makes a point of using # of brackets to measure cost for a syntac- tic analysis task instea...

Ngày tải lên: 20/02/2014, 04:20

... idea is now to cluster the neighbor pairs on the basis of the middle words they occur with. This way neighbor pairs typical of the same part of speech are grouped together. For classification, ... pair the is”, a verb by the pair “he the , and an adjective by the pair the thing”. For ease of reference, in the remainder of this paper we call these local...

Ngày tải lên: 20/02/2014, 12:20

... and the role of the grammar in the global nature of the control must be given. 3.2 The Local Representation of the Grammar The grammar space contains the locally de- fined grammar for the ... prescribed form as well. The grammar may be defined to suit the aspects of language per- formance being modelled. There are two parts to the grammatical aspect o...

Ngày tải lên: 08/03/2014, 18:20

... context. In the end there is a lesk score and a jcn score for each N -best list. The final WordNet score is the sum of the two scores. The log-linear interpolation method used for the rescoring ... 1997) is based on the information content, and LESK (Banerjee and Pedersen, 2003) allows for comparison across Part -of- Speech (POS) bound- aries. 2.2 Word context rel...

Ngày tải lên: 17/03/2014, 04:20

... the composition and stoichiometry of these signaling complexes? What is the molecular mechanism for the induction of these complexes? How does the formation of signaling com- plexes lead to the ... combination of affinity preferences (the explanation for the lack of in vivo binding of Gads to phosphorylated LAT tyrosine 132) and the formation of multiprotein si...

Ngày tải lên: 23/03/2014, 15:21

... (where the patient received the drug). The intercepted errors were scored separately on the basis of their possible impact on the patient, if the prescription had been administered as prescribed. The ... blinded to the prescribing system; this could have introduced the potential for bias in the results and is a limitation of the study. Medical errors are among the...

Ngày tải lên: 25/10/2012, 10:39

... function of the CXXXC motif of human Sco proteins could therefore be impli- cated not only in the maturation of the Cu A site of Cox2 but also in the maintenance of cellular copper homeostasis. The ... assembly of cbb 3 oxidase, but rather is required for the maturation of the Cu A -containing COX which is predominant for aerobic growth, thus leaving open the...

Ngày tải lên: 14/02/2014, 18:20