Báo cáo khoa học: " An Intelligent Microblog Analysis and Summarization System" pdf

... and Manning (2002), the DMV dependency learning model by Klein and Manning (2004) as well as their combined model DMV+CCM. Table 1 shows that UML-DOP scores better than U-DOP and Klein and Manning's ... German NEGRA and the Chinese CTB. (Zollmann and Sima&apos ;an 2005 propose a different consistent estimator for DOP, which we cannot go into here). 5 UML-DOP Analogous to U-D...

Ngày tải lên: 20/02/2014, 12:20

... BOS and EOS denote BeginningOfSentence and EndOfSentence boundaries, the “ ” stand for occurrences of any words and punctuation marks, the square brackets stand for text span boundaries, and ... of these relations and in pro- viding definitions for them (Mann and Thompson, 1988; Hobbs, 1990; Martin, 1992; Lascarides and Asher, 1993; Hovy and Maier, 1993; Knott and Sanders, 19...

Ngày tải lên: 20/02/2014, 21:20

... (negative control, lane 2), LdEcR-A (lane 3), LdUSP (lane 4) and LdEcR-A and LdUSP translated simulta- neously in the same tube (lane 5 and 6) were mixed with probes and loaded. In the lane 6, 100-fold ... vitro translated LdEcR-A and LdUSP pro- teins pET-23a (+) vector (lane 1), in vitro translated LdEcR-A (lane 2), LdUSP (lane 3) and LdEcR-A ⁄ LdUSP translated simultaneously in...

Ngày tải lên: 07/03/2014, 21:20

... between potential acronym and its expanded form. Both acronyms and their expanded forms are normalised with respect to their orthographic, morphological, syntactic and lexico-semantic features. The ... nuclear receptor 4 (HNF4) and constitutive androstane receptor (CAR)] However, IL-1 does not interact with an orphan nuclear receptor known to antagonize ligand-dependent transacti...

Ngày tải lên: 08/03/2014, 21:20

... syntactic annotation of free text. The new version includes a revised and more semantically-motivated output representation, an enhanced gram- mar and part-of-speech tagger lexicon, and a more ... finite state transducer. The analyser takes a word form and CLAWS tag and returns a lemma plus any inflec- tional affixes. The type and token error rate of the current system is less than...

Ngày tải lên: 20/02/2014, 12:20

... using the filter, with 20 and 40 feature sampling, com- pared to RFF top-40 and RFF top-26 simi- larities. ITA-20 and ITA-40 denote the web- sampling method with 20 and random 40 features, respectively. ... step is most important to avoid inclusion misses due to the data sparseness of the corpus. A few recent works (Ravichandran and Hovy, 2002; Keller et al., 2002; Chklovski a...

Ngày tải lên: 20/02/2014, 15:20

... of many laboratories is now switching towards under- standing context-dependent regulation of interactions and outputs within this large signalling web. Ras trafficking and localization H-, K-, and ... and advanced microscopy techniques, have A B Fig. 2. The Ras HVR and subcellular Ras trafficking. The C-terminal HVR (A) contains membrane-trafficking motifs that regulate the trafficking...

Ngày tải lên: 07/03/2014, 00:20

... Ontologies Functional and Context-Sensitive Tony Veale Computer Science and Informatics University College Dublin Ireland tony.veale@ucd.ie Yanfen Hao Computer Science and Informatics University ... substance to describe other sub- stances, and so on. The clear exception is Animal, with ”ANIMAL-like” phrases more often used to describe people (36%) than other kinds of animal (27%). Th...

Ngày tải lên: 08/03/2014, 02:21

... divide a given utterance analysis into a set of fragments, • a set of composition operations by which such fragments may be recombined to derive an analysis of a new utterance, and • a definition ... frontier nodes and deletes all subtrees they dominate. Like Root, it also removes the φ links of the deleted nodes and erases any semantic form that corresponds to any of those nodes....

Ngày tải lên: 20/02/2014, 18:20

... types analysis model, which uses the measures of predictive information quantity, predictive information gain, predictive information redundancy and predictive information summation to quantitatively ... syntactic parsing is to assign a probability to each candidate parsing tree that conforms to the grammar and select the one with highest probability as the final analysis result. That...

Ngày tải lên: 20/02/2014, 18:20