Báo cáo khoa học: "Classifying Semantic Relations in Bioscience Texts" pot

... sur- rounding forms of the stem bind which signify entities that can enter into molecular binding re- lationships. In Srinivasan and Rindflesch (2002) MeSH term co-occurrences within MEDLINE ar- ticles ... classifi- cation accuracy. 1 Introduction The biosciences literature is rich, complex and continually growing. The National Library of Medicine’s MEDLINE database 1 contains bibli- ographic...

Ngày tải lên: 17/03/2014, 06:20

... for training and testing. The combined total number of sentential contexts for our 453 NCs was 7,714, containing 1,165 distinct main verbs. We next randomly split the NC data into 80% training data ... of semantic relations, but that the training data in the case of 17 semantic relations will not con- tain any instances for the EQUATIVE and TIME re- lations, meaning that all such tes...

Ngày tải lên: 08/03/2014, 02:21

... pairs from a single text were not divided into the training and test sets. We also divided pairs of NEs into two types: (A) intra-sentential and (B) inter-sentential. The reason for dividing them ... 2004) 3. STR-CT : STR with the centering top feature explained in Section 2.3. 4. STR-CS : STR with the centering structure fea- ture explained in Section 2.4. 3.1 Setting We used 1451 texts...

Ngày tải lên: 17/03/2014, 04:20

... conceptual in- stances is obtained by deleting from each candi- date those instances that are subsumed by a higher scoring conceptual instance. Remaining conceptual instances are then re-scored using ... ontologizing binary semantic relations into WordNet and we present empirical results on the task of attaching part-of and causa- tion relations. Formally, given an instance (x, r,...

Ngày tải lên: 20/02/2014, 12:20

... preserves the scoping information in the source, by 'parsing' the scope-ordered string of elementary trees, using indices on this enu- meration instead of on a string yield. It is ... tbr opening and closing adjunction, but now let i, j, and k refer to the indices on the scoping enumeration described above, instead of on an input string. In order to reconcile scoping rang...

Ngày tải lên: 08/03/2014, 06:20

... features. 1 Introduction Temporal information encoded in textual descrip- tions of events has been of interest since the early days of natural language processing. Lately, it has seen renewed interest ... simultane- ous. We map the thirteenth identity into simultane- ous. One oddity is that Timebank includes both dur- ing and included by relations, but during does not appear in Timebank...

Ngày tải lên: 23/03/2014, 18:20

... In using this rule, an interpreter brings to bear 'top-down' information, in the following sense. Up to now, discourse and temporal relations have been determined by using the input ... switch- ing (or, indeed, amelioration). In one sense this isn't surprising. Causal knowledge and MCT were in conflict in (2), and since both laws relate to the domain, but in...

Ngày tải lên: 23/03/2014, 20:20

... coach.l.2: "privat tutor, trainer in athletics" CLASS: ACtingPerson in in. l.l: " ;in the evening" CLASS: DURation SELECTION: TIMe in. l.2: " ;in the room" CLASS: PLAce ... 2: Semantic Interpretation of " ;in the coech" Although there are 4 possibilities for combining the words in their different meanings only one possibility ( in. l...

Ngày tải lên: 01/04/2014, 00:20

... mutual information between users after doing an average-link clustering on their pairwise mutual information. In a clean clustering, intra- cluster mutual information should be high, while inter-cluster ... capture word relationship semantically. To illustrate the words inside latent topics in the LDA model in- ferred from online forums, we show in Table 2 the top words in 3 out of...

Ngày tải lên: 22/02/2014, 03:20

... may in turn be divided into subfields: INFFLD : nil; inffld( INFI, INF2 ) means that Danish has a possibility of two auxiliaries, (the finite + one infinite), and implicitly that if INF2 ... exist as such. Instead we have: FINIT = finit( VERB, VERB, TEMPG ) INFINIT = infinit( VERB, VERB, TEMPG ) VERB = Symbol which means that a verb, whether it be finite or infinite, is describe...

Ngày tải lên: 22/02/2014, 10:20