2121 search results - page 159 / 425 » Indexing Incomplete Databases |
173
click to vote
SIGMOD
2010
ACM
15 years 11 months ago
2010
ACM
Current relational databases require that a database schema exist prior to data entry and require manual optimization for best performance. We describe the query optimization tech...
245
click to vote
SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
Real-world data -- especially when generated by distributed measurement infrastructures such as sensor networks -- tends to be incomplete, imprecise, and erroneous, making it impo...
157
click to vote
WWW
2003
ACM
16 years 6 months ago
2003
ACM
Much attention has been accorded to Location-Based Services and location tracking, a necessary component in active, trigger-based LBS applications. Tracking the location of a larg...
140
click to vote
CIKM
2005
Springer
15 years 11 months ago
2005
Springer
We examine issues in the design of fully dynamic information retrieval systems with support for instantaneous document insertions and deletions. We present one such system and dis...
139
click to vote
SSD
2005
Springer
15 years 11 months ago
2005
Springer
Abstract. Many new applications involving moving objects require the collection and querying of trajectory data, so efficient indexing methods are needed to support complex spatio...