1265 search results - page 199 / 253 » Metadata management and relational databases |
SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
Scientific data offers some of the most interesting challenges in data integration today. Scientific fields evolve rapidly and accumulate masses of observational and experiment...
FOCS
1998
IEEE
15 years 2 months ago
1998
IEEE
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
GIS
2010
ACM
14 years 7 months ago
2010
ACM
Recording the location of people using location-acquisition technologies, such as GPS, allows generating life patterns, which associate people to places they frequently visit. Con...
KDD
2008
ACM
15 years 10 months ago
2008
ACM
We address the problem of classification in partially labeled networks (a.k.a. within-network classification) where observed class labels are sparse. Techniques for statistical re...
SIGIR
2006
ACM
15 years 3 months ago
2006
ACM
In today’s data-rich networked world, people express many aspects of their lives online. It is common to segregate different aspects in different places: you might write opinion...