1160 search results - page 91 / 232 » Query Processing and Optimization for Pictorial Query Trees |
86
Voted
VLDB
1987
ACM
15 years 1 months ago
1987
ACM
is at least ae powerful as SQL. Two well known relational query languages that have a sound theoretical foundation are relational algebra and relational calculus. As SQL is more cl...
79
Voted
CIKM
2009
Springer
15 years 4 months ago
2009
Springer
Well-designed indices can dramatically improve query performance. Including query workload information can produce indices that yield better overall throughput while balancing the...
87
Voted
XIMEP
2005
ACM
15 years 3 months ago
2005
ACM
Supporting queries and modifications on XML documents is a challenging task, and several related approaches exist. When implementing query and modification languages efficientl...
180
Voted
SIGMOD
2006
ACM
15 years 10 months ago
2006
ACM
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...
198
Voted
ICDE
2009
IEEE
15 years 12 months ago
2009
IEEE
A common approach to performing keyword search over relational databases is to find the minimum Steiner trees in database graphs. These methods, however, are rather expensive as th...