Báo cáo khoa học: "A Lazy Way to Chart-Parse with Categorial Grammars" ppt

... A Lazy Way to Chart-Parse with Categorial Grammars Ill Remo Pareschi and Mark Steedman ? Dept. of AI and Centre ... associated with one and only one value We use round brackets to def'me sets, and we notate features as [label value]. We refer to variables with symbols starting with capital letters, and to ... John, (18), with loves, (14), to obtain John loves, (19), and has then applied that to Mary, (12), to obtain John loves Mary (22), ignoring the other analysis. If the parser rams out to need...

Báo cáo khoa học: "A Functional Approach to Generation with TAG " pptx

... Mumble-86. 3 Generator Architecture There are many different ways of imple- menting a TAG-based generator. We consider the principles that we take to be common to any TAG generator and indicate ... for this methodology to work, (McDonald & Pustejovsky, 1985) point out that they have to make some strong assumptions about the logical form input to their generator. Notice that the ... sider the question of what needs to be done to generate with TAGs and explain a generation system that provides the necessary features. This approach is compared with other TAG-based generation...

Báo cáo khoa học: "A TWO-WAY APPROACH TO STRUCTURAL TRANSFER IN MT" potx

... transfer instructions associated with that rule. After integration, the selected parse tree is traversed from top to bottom, executing the transfer instructions associated with each node. The instructions ... resorted to from time to time. There are, of course, several disadvantages to doing things this way. If there are multiple source languages, the linguist must repeat, in perhaps non-trivial ways, ... transfer instructions are associated with each rule of the analysis grammar. W"hen an analysis rule applies to build a node, stored on that node, along with grammatical features, is the set...

Tài liệu Báo cáo khoa học: "A Composite Kernel to Extract Relations between Entities with both Flat and Structured Features" ppt

... is the de-cay factor in order to make the kernel value less variable with respect to the subtree sizes. In ad-dition, the recursive rule (3) holds because given two nodes with the same children, ... number of different sub-trees is exponential with the parse tree size, it is computationally infeasi-ble to directly use the feature vector()Tφ. To solve this computational issue, Collins ... between feature vectors. Kernel methods can be regarded as a generalization of the feature-based methods by replacing the dot-product with a kernel func-tion between two vectors, or even between...

Tài liệu Báo cáo khoa học: "A Practical Solution to the Problem of Automatic Word Sense Induction" doc

... top 30 associa-tions are more or less neutral towards the senses, so even for us it was not always possible to clearly assign them to one of the two senses. In other cases, outliers led to ... context vectors instead of global co-occurrence vectors, is a good way to deal with the problem of word sense induction. However, there is a pitfall, as the matrices of local vectors are extremely ... algo-rithm was able to separate the different kinds of animals according to their relationship to poach. If we instead clustered global vectors, it would most likely be impossible to obtain this...

Tài liệu Báo cáo khoa học: "A Bootstrapping Approach to Named Entity Classification Using Successive Learners" pdf

... seeds are retrieved from the repository to train a decision list for NE classification. 3. The learned rules are applied to the NE candidates stored in the repository. 4. The proper names tagged ... 86.7% To benchmark the quality of the automatically constructed corpus (Table 2), the testing corpus is first processed by our parser and then saved into the repository. The repository level ... First, some parsing-based NE rules are learned with high precision but limited recall. Then, these rules are applied to a large raw corpus to automatically generate a tagged corpus. Finally,...

Tài liệu Báo cáo khoa học: "A Prototype Text to British Sign Language (BSL) Translation System" ppt

... signer’s head to waist level, and horizontally from touching/close to the body to at arm’s length in front of and to theside of the signer. Signs can be categorised in termsof the ways they use ... isused to associate pronouns with discourse referents,and reuse of nouns is used to imply co-reference to the same linguistic referent. Currently, the mostcommon 50% CMU links are transformed into ... 1995; Sutton-Spenceand Woll, 1999). In the case of the former, signingspace is used to gesture towards and point at objectsand persons physically present and thus has similar-ities with body...

Tài liệu Báo cáo khoa học: A synthetic weak neurotoxin binds with low afﬁnity to Torpedo and chicken a7 nicotinic acetylcholine receptors docx

... synthetic toxin (sWntx-5) agree with those anticipated for the natural toxin. We show that thistoxin interacts with relatively low aﬃnity (Kd¼ 180 nM) with the muscular-type acetylcholine receptor ... of toxinswere incubated with 3 nMof active sites of receptorsand 5 nMof125I-labelled a-Bgtx for at least 4 h. With a7receptors, the toxin was incubated at different concentra-tions with ... a7)5HT3receptor expressed in HEKcells [23], and125I-labelled a-Bgtx as a tracer. The deducedKd with Torpedo receptor was estimated to be 180 nM(Fig. 5, Table 1). With the a7 neuronal receptor,...

Tài liệu Báo cáo khoa học: "A PRAGMATICBASED APPROACH TO UNDERSTANDING" pdf

... before moving on to investigate a plan for CS263. Since the teacher of C3200 has nothing to do with the plan for taking C3263, the mechanisms for retaining dialogue context will fail to iden- tify ... the same focus level within the expanded plan for earning credit in a course. The action of going to the cashler's office to pay one's tuition also appears within this expanded ... [F1] Within the current focus space, prefer asso- clatlons which occur within the current focused plan. IF2] Within the current focus space and current focused plan, prefer associations within...

Tài liệu Báo cáo khoa học: "A HYBRID APPROACH TO REPRESENTATION IN THE JANUS NATURAL LANGUAGE PROCESSOR" pot

... the class associated with A to the class associated with B. If no such role exists, the search is for a role relating the nearest ancestor of the class of A to any ancestor of the class of ... SThe ruJels may need to be used tecureively to get to a constanL aEvery expression in WML has a type. 4.1.¢ Knowledge Acquisition We have developed two complementary tools to greatly increase ... knowledge acquisition. KNACQ presents the user with a few questions and menus to elicit the English expressions used to refer to. that concept or role. To illustrate the kinds of information that...

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