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SIGMOD
2005
ACM
212views Database» more  SIGMOD 2005»
16 years 6 months ago
A Cost-Based Model and Effective Heuristic for Repairing Constraints by Value Modification
Data integrated from multiple sources may contain inconsistencies that violate integrity constraints. The constraint repair problem attempts to find "low cost" changes t...
Philip Bohannon, Michael Flaster, Wenfei Fan, Raje...
PODS
2008
ACM
141views Database» more  PODS 2008»
16 years 6 months ago
On the complexity of deriving schema mappings from database instances
We introduce a theoretical framework for discovering relationships between two database instances over distinct and unknown schemata. This framework is grounded in the context of ...
Pierre Senellart, Georg Gottlob
ICDE
2010
IEEE
252views Database» more  ICDE 2010»
16 years 6 months ago
Semantic Ranking and Result Visualization for Life Sciences Publications
An ever-increasing amount of data and semantic knowledge in the domain of life sciences is bringing about new data management challenges. In this paper we focus on adding the seman...
Julia Stoyanovich, Kenneth A. Ross, William Mee
WSDM
2010
ACM
199views Data Mining» more  WSDM 2010»
16 years 4 months ago
A Sketch-Based Distance Oracle for Web-Scale Graphs
We study the fundamental problem of computing distances between nodes in large graphs such as the web graph and social networks. Our objective is to be able to answer distance que...
Atish Das Sarma, Sreenivas Gollapudi, Marc Najork,...
EUROGRAPHICS
2010
Eurographics
16 years 3 months ago
Rendering Wave Effects with Augmented Light Field
Ray–based representations can model complex light transport but are limited in modeling diffraction effects that require the simulation of wavefront propagation. This paper prov...
Se Baek Oh, Sriram Kashyap, Rohit Garg, Sharat Cha...