Báo cáo khoa học: "Adding Syntax to Dynamic Programming for Aligning Comparable Texts for the Generation of Paraphrases" potx
... features. The output matrix is used to guide the align- ment. Starting from the bottom right entry of the matrix, we go to the matrix entry from which the value of the current cell is derived in the ... (Milan Theater) and is not at the beginning of that constituent. Finally, the syntactic depen- dence trace of a word is the path of IOB values from the ro...
Ngày tải lên: 31/03/2014, 01:20
... respectively, together the Self Category of the phrase is prepositional phrase. Parent Category The category of the immedi- ate parent of the Self Category. This feature is especially helpful for disambiguating ... will try to pre- dict whether any of the rubble will smash to the ground 14 and where. The syntactic category of “where” is SBAR, so the set of...
Ngày tải lên: 08/03/2014, 01:20
... relating to one topic and tested that model using the other top- ics. Figure 1 shows the results of this experiment. The tendency seems to be that performance in a given topic is best if the training ... model consistently out-performs the other. We speculate that this, and the generally mediocre performance of the classifiers, is due (at least) to two factors; poor cov...
Ngày tải lên: 17/03/2014, 06:20
Báo cáo khoa học: "Using Readers to Identify Lexical Cohesive Structures in Texts" potx
... according to the degree of agreement with the rest, separately for each text, and average over the texts to obtain the conformity rank of an annotator. The lower the rank, the less compliant the annotator. Annotators’ ... de- scription of an accident that led to the death, or of a long illness? A story about what happened to the rest of the family a...
Ngày tải lên: 17/03/2014, 06:20
Báo cáo khoa học: Caenorhabditis elegans metallothionein isoform specificity – metal binding abilities and the role of histidine in CeMT1 and CeMT2 potx
... level to be of the highest interest, in order to shed light on the possible physiological functions of MTs in this organism and to further the understanding of the forces driving MT isoform differentiation, ... analysis of the samples at acid pH makes it possible to delimit the Cu species present in the sample. For the analy- sis of the apo-MT forms, obta...
Ngày tải lên: 07/03/2014, 02:20
Báo cáo khoa học: Cofactor-independent oxygenation reactions catalyzed by soluble methane monooxygenase at the surface of a modified gold electrode pot
... normally serves to shut down hydrogen peroxide formation in the absence of oxidizable substrate. In the presence of substrate, however, catalase is essential for the formation of product as hydrogen ... simple unregulated formation of hydrogen peroxide due to over- reduction of the enzyme at the electrode. In the second instance the hydrogen peroxide is formed as...
Ngày tải lên: 17/03/2014, 09:20
Báo cáo khoa học: "PCFGs, Topic Models, Adaptor Grammars and Learning Topical Collocations and the Structure of Proper Names" ppt
... labelled Topic i indicate the topics as- signed to particular words, and the local trees ex- panding Doc j to Topic i (one per word in the docu- ment) indicate the distribution of topics in the doc- ument. The ... so that the Topic i nodes generate sequences of words rather than sin- gle words. Then we adapt each of the Topic i non- terminals, which means that we lea...
Ngày tải lên: 23/03/2014, 16:20
Báo cáo khoa học: "A Syntax-Free Approach to Japanese Sentence Compression" potx
... from the training data of the parser, the performance could be much worse. This critically degrades the overall performance of sentence compression. Moreover, summariza- tion systems often have to ... i.e., we broke the whole data set into five blocks and used four of them for train- ing and the remainder for testing and repeated the evaluation on the test data five...
Ngày tải lên: 08/03/2014, 00:20
Báo cáo khoa học: "Adding Noun Phrase Structure to the Penn Treebank" ppt
... or fit into a standard pattern which the annotator soon becomes accustomed to, hence the task can be performed quite quickly. For the original bracketing of the Treebank, anno- tators performed ... supply an NP as the answer to a factoid question, often us- ing a parser to identify candidate NPs to return to the user. If the parser never generates the correct sub-...
Ngày tải lên: 23/03/2014, 18:20
Tài liệu Báo cáo khoa học: Hypoxic resistance to articular chondrocyte apoptosis – a possible mechanism of maintaining homeostasis of normal articular cartilage pdf
... Chondrocytes regulate the enzymatic breakdown of the extracellular matrix, thereby maintaining the equilibrium between synthetic and degradative processes in the cartilage [1]. There- fore, the metabolic ... chondrocyte apoptosis induced by these apoptotic factors. Mature beagle dogs underwent surgical transections of ligaments and medial meniscectomies to explore the under-...
Ngày tải lên: 18/02/2014, 14:20