3403 search results - page 208 / 681 » A Query System in a Biological Database |
195
click to vote
VLDB
2005
ACM
16 years 2 days ago
2005
ACM
Query optimizers in current database systems are designed to pick a single efficient plan for a given query based on current statistical properties of the data. However, different...
259
click to vote
PODS
2009
ACM
16 years 7 months ago
2009
ACM
The paper investigates the question of whether a partially closed database has complete information to answer a query. In practice an enterprise often maintains master data Dm, a ...
295
click to vote
ICDE
2005
IEEE
16 years 8 months ago
2005
IEEE
We present ViteX, an XPath processing system on XML streams with polynomial time complexity. ViteX uses a polynomial-space data structure to encode an exponential number of patter...
152
click to vote
ICPR
2002
IEEE
16 years 7 months ago
2002
IEEE
This paper proposes a novel view of the information generated by relevance feedback. Latent semantic analysis is adapted to this view to extract useful inter-query information. Th...
262
click to vote
GIS
2003
ACM
16 years 7 months ago
2003
ACM
Moving object databases store and process data for objects that change location frequently. Materialized views maintained over time must be updated to reflect changes due to the m...