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WEBDB
2000
Springer
136views Database» more  WEBDB 2000»
15 years 10 months ago
An Optimization Technique for Answering Regular Path Queries
Rewriting queries using views is a powerful technique that has applications in data integration, data warehousing and query optimization. Query rewriting in relational databases i...
Gösta Grahne, Alex Thomo
PVLDB
2010
174views more  PVLDB 2010»
15 years 5 months ago
x-RDF-3X: Fast Querying, High Update Rates, and Consistency for RDF Databases
The RDF data model is gaining importance for applications in computational biology, knowledge sharing, and social communities. Recent work on RDF engines has focused on scalable p...
Thomas Neumann, Gerhard Weikum
EWMF
2003
Springer
15 years 11 months ago
Semantically Enhanced Collaborative Filtering on the Web
Item-based Collaborative Filtering (CF) algorithms have been designed to deal with the scalability problems associated with traditional user-based CF approaches without sacrificin...
Bamshad Mobasher, Xin Jin, Yanzan Zhou
ISWC
2002
IEEE
15 years 11 months ago
Design of a Wearable Sensor Badge for Smart Kindergarten
We describe the system design of “Smart Kindergarten”, a smart problem solving environment for early childhood education. Two crucial building blocks that make up Smart Kinder...
Sung Park, Ivo Locher, Andreas Savvides, Mani B. S...
CC
1998
Springer
134views System Software» more  CC 1998»
15 years 10 months ago
Flow Logics for Constraint Based Analysis
Abstract. Flow logic offers a compact and versatile notation for expressing the acceptability of solutions to program analysis problems. In contrast to previous logical formulation...
Hanne Riis Nielson, Flemming Nielson