Báo cáo khoa học: Amyloid–cholinesterase interactions Implications for Alzheimer’s disease pot
... MINIREVIEW Amyloid–cholinesterase interactions Implications for Alzheimer’s disease Nibaldo C. Inestrosa, Margarita C. Dinamarca and Alejandra ... a small percentage of Alzheimer’s disease cases involve mutations in some known genes, and are referred as familial Alzheimer disease, the large majority of Alzheimer’s disease cases occur spo- radically ... [1]. There is there...
Ngày tải lên: 23/03/2014, 07:20
... model. The original formulation of GIS (Dar- roch and Ratcliff, 1972) required the sum of the feature values for each event to be constant. Since this is not the case for many applications, ... result in state of the art performance for both tagging tasks. 2 Maximum Entropy Models A conditional ME model, also known as a log- linear model, has the following form: P(YIX) = exp il...
Ngày tải lên: 22/02/2014, 02:20
... Association for Computational Linguistics, pages 203–207, Jeju, Republic of Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics Movie-DiC: a Movie Dialogue Corpus for Research ... most common spatial distribution of the aforementioned information elements. It is important to mention that a lot of different variants to the format presented in Figure 1 can be act...
Ngày tải lên: 07/03/2014, 18:20
Báo cáo khoa học: "Cohesive Phrase-based Decoding for Statistical Machine Translation" pot
... all such subtrees for a hypothetical T and ¯ f h 1 . Fortunately, with a little analysis that ac- counts for ¯ f h+1 , we can show that at most two sub- trees need to be checked. For a given interruption-free ¯ f h 1 , ... constraint for word alignment. Therefore, we propose a soft version of our cohesion constraint. We perform our interruption check, but we do not invalidate any hypo...
Ngày tải lên: 08/03/2014, 01:20
Báo cáo khoa học: "An Earley Parsing Algorithm for Range Concatenation Grammars" potx
... predicate of the form A i (α 1 , . . . , α dim(A i ) ) with A i ∈ N and α j ∈ (T ∪ V ) ∗ for 1 ≤ j ≤ dim(A i ). Central to RCGs is the notion of ranges on strings. Definition 2. For every w = w 1 . ... to instantiate a clause of the grammar, we need to find ranges for all variables in the clause and for all occurrences of terminals. For convenience, we assume the variables in a clause...
Ngày tải lên: 08/03/2014, 01:20
Báo cáo khoa học: Inactivation of annexin II tetramer by S-nitrosoglutathione pot
... lg)waspreincubatedin50lLof buffer containing 1 m M Ca 2+ for 30 min to induce protein conformational changes. The mixture was then added to 1 mL of the assay buffer containing 100 lg liposome for measuring liposome aggregation. ... out the possibility of disulfide bond formation between AIIt and glutathione because of the resolution of SDS/PAGE. Conformational changes To detect possible co...
Ngày tải lên: 08/03/2014, 10:20
Báo cáo khoa học: "Making Tree Kernels practical for Natural Language Learning" potx
... make a step back before Gildea and Juraf- sky defined the first set of features for Semantic Role Labeling (SRL). The idea that syntax may have been useful to derive semantic information was already ... frequent roles associated with verbal predicates, for a total of 37,948 arguments. We randomly selected 30% of sentences for testing and 70% for training. Addi- tionally, 30% of training...
Ngày tải lên: 08/03/2014, 21:20
Báo cáo khoa học: "Aligning Medical Domain Ontologies for Clinical Query Extraction" potx
... (c) is it normal or is it ab- normal? Therefore, when a radiologist looks for information, his search queries most likely con- tain terms from various information sources that provide this kind ... From the NCI Thesaurus we can obtain the in- formation that ‘liver lymphoma’ is the synonym for ‘hepatic lymphoma’, for which holds: ‘hepatic lymphoma’ disease_ has_primary_anatomic_site’...
Ngày tải lên: 08/03/2014, 21:20
Báo cáo khoa học: "Local and Global Algorithms for Disambiguation to Wikipedia" pot
... be informative for many documents. The intuition for also including the maximum relatedness is that for longer docu- ments that may cover many different subtopics, the maximum may be more informative ... but still enforces some degree of coherence among the disambiguations. 3 Related Work Wikipedia was first explored as an information source for named entity disambiguation and in- form...
Ngày tải lên: 17/03/2014, 00:20
Báo cáo khoa học: "Unsupervised Argument Identification for Semantic Role Labeling" potx
... bottom. For each of them we update the following counters: sentence(ST ) for the root ancestor’s ST , patter n i (ST ) for the ones complying to the i-th lexico-syntactic pattern and negative(ST ) for ... separately tuned for each corpus size, and the graph displays the maximum which was obtained for each of the corpus sizes. To better understand our model’s performance, we perfor...
Ngày tải lên: 17/03/2014, 01:20