Sciweavers

69 search results - page 2 / 14
» Efficient Isomorphism Testing for a Class of Group Extension...
Sort
View
DLOG
2008
13 years 7 months ago
Locality and Subsumption Testing in EL and Some of its Extensions
Abstract. We show that subsumption problems in EL and related description logics can be expressed as uniform word problems in classes of semilattices with monotone operators. We us...
Viorica Sofronie-Stokkermans
SIGMOD
2007
ACM
186views Database» more  SIGMOD 2007»
14 years 5 months ago
Fg-index: towards verification-free query processing on graph databases
Graphs are prevalently used to model the relationships between objects in various domains. With the increasing usage of graph databases, it has become more and more demanding to e...
James Cheng, Yiping Ke, Wilfred Ng, An Lu
AAI
2006
215views more  AAI 2006»
13 years 4 months ago
Extensive Evaluation of Efficient NLP-Driven Text Classification
Extensive experimental evidence is required to study the impact of text categorization approaches on real data and to assess the performance within operational scenarios. In this ...
Roberto Basili, Alessandro Moschitti, Maria Teresa...
CORR
2002
Springer
123views Education» more  CORR 2002»
13 years 4 months ago
Ideal decompositions and computation of tensor normal forms
Abstract. Symmetry properties of r-times covariant tensors T can be described by certain linear subspaces W of the group ring K[Sr] of a symmetric group Sr. If for a class of tenso...
Bernd Fiedler
DIS
2007
Springer
13 years 8 months ago
Time and Space Efficient Discovery of Maximal Geometric Graphs
A geometric graph is a labeled graph whose vertices are points in the 2D plane with an isomorphism invariant under geometric transformations such as translation, rotation, and scal...
Hiroki Arimura, Takeaki Uno, Shinichi Shimozono