Báo cáo khoa học: "Instance-Driven Attachment of Semantic Annotations over Conceptual Hierarchies" pot

... Hierarchical Semantic Annotations: The attachment of semantic annotations (e.g., composed- by) into a conceptual hierarchy, a portion of which is shown in the diagram, requires the identification of the correct ... Association for Computational Linguistics Instance-Driven Attachment of Semantic Annotations over Conceptual Hierarchies Janara Christensen ∗ University...

Ngày tải lên: 17/03/2014, 22:20

... Elements: Categorization Cognizer Item Category Criterion S NP PRP VP VBD NP SBAR IN S NNP VP VBD NP PP PRP IN NP NN Goal Source Theme Target NP He heard the sound of liquid slurping in a metal container as approached him from behindFarrell

Ngày tải lên: 08/03/2014, 05:20

... data pro- vides a valuable source of indirect supervision for induction of shallow semantic representa- tions. Specifically, we consider unsupervised induction of semantic roles from sentences an- notated ... syntactic representations are often predictive of semantic roles (Levin, 1993), the inter- face between syntactic and semantic representations is far from trivial. Lack o...

Ngày tải lên: 16/03/2014, 19:20

... Implicational The existence of x implies the existence of y op. - 11: Weakly Implicational The existence of x sometimes implies the existence of y op. - Table 1: List of semantic primitives. In the ... this Section, we apply the CSR algorithm over a set of eight well-known relations. It is out of the scope of this paper to explain in detail the semantics of each relation...

Ngày tải lên: 23/03/2014, 16:20

... field of activity, of both practical and theoretical interest. A prominent type of semantic relationships is that holding between nominals 1 . For example, in noun compounds many different semantic ... represented by some of the discovered clusters. We then use the training set to label some of the clusters, and the la- beled clusters to assign classes to tested items. One of t...

Ngày tải lên: 23/03/2014, 17:20

... as part of Prop- Bank (Kingsbury and Palmer, 2002), and the inter- section of PropBank and Senseval-2 forms a corpus containing gold-standard annotations of WordNet senses and PropBank semantic ... subject of to be the leftmost NP sib- ling of commander VP, and a complement of to be a node that is a child of the head VP, excluding NPs whose head is a number or a noun from a...

Ngày tải lên: 31/03/2014, 03:20

... form of ϕ by construction. Proposition 3. Every RMRS ϕ has only a finite number of solved forms, up to renaming of vari- ables. Proof. Up to renaming of variables, there is only a finite number of ... base variables of ϕ. Let s be such a substitution. This fixes the set of EPs of any solved form of ϕ that is based on s uniquely. There is only a finite set of choices for the su...

Ngày tải lên: 31/03/2014, 20:20

... 0 Table 2. Distribution of phenotypes of erythrocyte histone H1.a in progeny from various matings of Rhode Island Red R11 chickens. Type of mating Number of Frequency of phenotypes in progeny (observed ... arrays of nucleosomes are linked together by DNA to form chromatin fibers with a diameter of 10 nm. In bulk chromatin, one molecule of histone H1 binds to a linker DNA seal...

Ngày tải lên: 16/03/2014, 13:20

... amplitude of the fast phase of the l atter represen ted up to 40% of the total amplitude, with a rate constant (k obs ) independent of Pc concentration (data not shown). From the k obs values of this fast ... electrostatic poten- tial of fern Pc drastically hinders its interaction with spinach PSI. In order to extend t he function al characterization of fern Pc, we have also com...

Ngày tải lên: 16/03/2014, 16:20

... the number of pa- rameters of the combined model manageable. To overcome the second obstacle, we used an unsu- pervised learning method that discovers the de- pendency structure of a given sentence ... Learning of Dependency Structure for Language Modeling Jianfeng Gao Microsoft Research, Asia 49 Zhichun Road, Haidian District Beijing 100080 China jfgao@microsoft.com Hisami Suz...

Ngày tải lên: 17/03/2014, 06:20