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» Connection Relations in Mereotopology
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RECSYS
2009
ACM
14 years 4 months ago
Learning to recommend with trust and distrust relationships
With the exponential growth of Web contents, Recommender System has become indispensable for discovering new information that might interest Web users. Despite their success in th...
Hao Ma, Michael R. Lyu, Irwin King
AGTIVE
2003
Springer
14 years 3 months ago
Modeling Discontinuous Constituents with Hypergraph Grammars
Discontinuous constituent are a frequent problem in natural language analyses. A constituent is called discontinuous if it is interrupted by other constituents. In German they can ...
Ingrid Fischer
SDB
1995
178views Database» more  SDB 1995»
14 years 1 months ago
A Semantics-based Approach to Design of Query Languages for Partial Information
Most of work on partial information in databases asks which operations of standard languages, like relational algebra, can still be performed correctly in the presence of nulls. In...
Leonid Libkin
ALGOSENSORS
2008
Springer
14 years 13 hour ago
Simple Robots in Polygonal Environments: A Hierarchy
With the current progress in robot technology and related areas, sophisticated moving and sensing capabilities are at hand to design robots capable of solving seemingly complex tas...
Jan Brunner, Matús Mihalák, Subhash ...
DAGSTUHL
2004
13 years 11 months ago
An Example for Metamodeling Syntax and Semantics of Two Languages, their Transformation, and a Correctness Criterion
We study a metamodel for the Entity Relationship (ER) and the Relational data model. We do this by describing the syntax of the ER data model by introducing classes for ER schemata...
Martin Gogolla