5595 search results - page 1030 / 1119 » Comparing Subsumption Optimizations |
235
Voted
SIGMOD
2009
ACM
16 years 2 months ago
2009
ACM
Labeling schemes lie at the core of query processing for many XML database management systems. Designing labeling schemes for dynamic XML documents is an important problem that ha...
191
click to vote
SIGMOD
2008
ACM
16 years 2 months ago
2008
ACM
Structured peer-to-peer (P2P) overlays have been successfully employed in many applications to locate content. However, they have been less effective in handling massive amounts o...
209
Voted
SIGMOD
2008
ACM
16 years 2 months ago
2008
ACM
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
117
click to vote
SIGMOD
2001
ACM
16 years 2 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
120
Voted
EDBT
2008
ACM
16 years 2 months ago
2008
ACM
Enterprises may have multiple database systems spread across the organization for redundancy or for serving different applications. In such systems, query workloads can be distrib...