a novel approach to semantic annotation based on multiontologies

... informa- tion quantity. Therefore, we regard information ra- tio rather than information quantity as the semantic weight of indexes. This approach has an advantage in that we need not consider ... lexical chains. Each scored chain was represented as a concept vector in concept vector space, and the overall text vector was made up of those concept vectors. The semantic im- portance of concepts ... construction ã Chains and nouns weighting ã Term reweighting based on concept ã Semantic index term extraction The former two components are based on concept extraction using lexical chains, and...

Ngày tải lên: 23/03/2014, 19:20

... of training data and two weeks of test data. Among these datasets, we used attack-free training data for nor- mal behavior modeling, and attack data was used to the construction of anomaly score ... the total number of normal data. The falsenegativerateis defined as the total number of attack data that were incorrectly classified as normal trafficdividedby the total number of attack data. 7.1. ... revised paper includes whole new Hidden Markov Model -based approach and the updated performance analysis, and overall parts like abstract, introduction, and conclusion are rewritten, and the main approach...

Ngày tải lên: 21/06/2014, 05:20

... Nga K 1 1A 30 Graduation paper Declaration Title: A new approach to semantic and syntactic functions of English adjectives A contrastive– analysis with their Vietnamese equivalents (Graduation ... stative or dynamic contrast, as it related to adjectives, is largely a semantic one, though as we have seen it also has syntactic implications. 2.2.2 Gradable and non- gradable adjectives According ... not only to practical language but also to translation theory, the description of particular language, language typology and the study of language universals. In relation to bilingualism, C.A...

Ngày tải lên: 10/04/2013, 14:46

... fixed capital formation data are taken from the UN National Accounts Statistics from a variety of years. When data is available only in constant 1984 colones, it is converted to 1966 colones ... to the environment. As a practical matter, data to construct indicators is usually most available for pressure indicators and sparsest for response indicators. For practicality's sake, most ... substances. Indicator: Global atmospheric concentrations of CFC-U and CFC-12. Indicator: Stratospheric ozone levels over Canada. Further indicators may be introduced at a later date to measure...

Ngày tải lên: 15/03/2014, 16:20

... for ER-retention, nicastrin-binding and gamma-secretase activity. Embo J 23, 4738–4748. 14 Tomita T, Takikawa R, Koyama A, Morohashi Y, Takasugi N, Saido TC, Maruyama K & Iwatsubo T (1999) ... Chiesa R & Harris DA (1997) Evidence for a six-transmembrane domain structure of presenilin 1. J Biol Chem 272, 12047–12051. 24 Nakai T, Yamasaki A, Sakaguchi M, Kosaka K, Miha- ra K, Amaya ... here, only approximately 14 amino acid residues in the C-terminus are located in the extracytosolic space. Considering the available experimental data and the fact that these residues are relatively...

Ngày tải lên: 23/03/2014, 13:20

... f'" & frame f'" is alpha ancestor to f''" & frame f''" is beta ancestor to string str SEPARATOR ( f ) frame f is alpha ancestor to a separator ... ANNOT - FRAME and an annotation of type FACT exists examine the frame corresponding to FACT if ANNOT - FRAME or ANNOT - WEXP and annota- tions of type SACT or SVAL exist examine f as frame, ... Reimer, U. & Hahn, U.: A Formal Approach to the Semantics of a Frame Data Model. In IJCAI-83: Proc. of the 8th Int. Joint Conf. on Artificial Intelligence. Los Altos/CA: W. Kaufmann, 1983,...

Ngày tải lên: 31/03/2014, 17:20

... transition band and (ii) Design of synthesis prototype filter such that the filter bank pairs distortion function approximates a linear-phase allpass function. Both aliasing and imaging are controlled ... used to build up a convex constrained optimization problem. Since all used constraint functions are linear in h, the so-called Constraint Qualification is always maintained. The problem can readily ... Based on the algorithm [15] the approach [16] introduces additional constraints to the delay and phase responses. Noncritical decimation has also been suggested in [17], where both filter bank delay...

Ngày tải lên: 21/06/2014, 19:20

... databases. Such statistical approaches gave indeed the best signature verification results in the last Signature Evaluation campaign in the framework of BioSecure Multimodal Evaluation Cam- paign ... Fierrez-Aguilar, L. Nanni, J. Lopez-Pe ˜ nalba, J. Ortega- Garcia, and D. Maltoni, “An on- line signature verification system based on fusion of local and global information,” in Proceedings of the 5th IAPR ... verification by a human expert. A human operator labels signatures according to both criteria and their impact on performance is studied. Also in [20], signature analysis by means of fractal geometry...

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Ngày tải lên: 14/08/2014, 16:20

... Conference on Lan- guage Resources ~ Evaluation, pages 719- 724. Sadao Kurohashi, Masaki Murata, Yasunori Yata, Mitsunobu Shimada, and Makoto Nagao. 1998. Construction of Japanese nominal semantic ... phrase N1 no N2, both DBA and SBA are applied to the input, and then the two analyses are integrated. 4.2.1 Dictionary -based Analysis Dictionary based- Analysis (DBA) tries to find a correspondence ... relation is a relation that N1 fills in an semantic role of N2. When N2 is an action noun, an object-action relation is also regarded as a semantic- role relation. On the other hand, in...

Ngày tải lên: 08/03/2014, 06:20

... Letters One-dimensional organic nanostructures: A novel approach based on the selective adsorption of organic molecules on silicon nanowires Eric Salomon * , Antoine Kahn Department of Electrical ... the nanowires. In the latter case, chemisorption of suitable organic molecules on the nanowires leads to a well-defined one-dimensional aggregation and changes the metallic character of the nanowires ... 1). In summary, we presented here a novel approach to form 1D or- ganic structures based on the adsorption of organic molecules on silicon nanowires. We demonstrated that carefully chosen organic compounds,...

Ngày tải lên: 16/03/2014, 15:35

... Based on Semantic Annotation Bogdan Sacaleanu  Paul Buitelaar  Martin Volk DFKI GmbH  DFKI GmbH  EIT AG bogdan@dfki.de  paulb@dfki.de  volk@eurospider.com Abstract The paper describes a ... se- mantic relations holding among the concepts Balint syndrom is a combination of symptoms including simultanagnosia, a dis- order of spatial and object -based attention, disturbed spatial perception ... relations) are indexed in separate classes. Information relevant to a user query is being retrieved through a vector space similarity match between words, concepts and semantic relations on the...

Ngày tải lên: 24/03/2014, 03:20