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JACM
2010
120views more  JACM 2010»
13 years 2 months ago
The structure of inverses in schema mappings
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Alan Nash
JSYML
2010
120views more  JSYML 2010»
13 years 2 months ago
First order properties on nowhere dense structures
A set A of vertices of a graph G is called d-scattered in G if no two d-neighborhoods of (distinct) vertices of A intersect. In other words, A is d-scattered if no two distinct ver...
Jaroslav Nesetril, Patrice Ossona de Mendez
JTAER
2010
163views more  JTAER 2010»
13 years 2 months ago
A semantic query approach to personalized e-Catalogs service system
With the emergence of the e-Catalog, there has been an increasingly wide application of commodities query in distributed environment in the field of e-commerce. But e-Catalog is o...
Donglin Chen, Xiaofei Li, Yueling Liang, Jun Zhang
SIAMMAX
2010
164views more  SIAMMAX 2010»
13 years 2 months ago
Uniqueness of Low-Rank Matrix Completion by Rigidity Theory
The problem of completing a low-rank matrix from a subset of its entries is often encountered in the analysis of incomplete data sets exhibiting an underlying factor model with app...
Amit Singer, Mihai Cucuringu
TCAD
2010
88views more  TCAD 2010»
13 years 2 months ago
Stress Aware Layout Optimization Leveraging Active Area Dependent Mobility Enhancement
Starting from the 90nm technology node, process induced stress has played a key role in the design of highperformance devices. The emergence of source/drain silicon germanium (S/D ...
Ashutosh Chakraborty, Sean X. Shi, David Z. Pan