537 search results - page 57 / 108 » The Impact of Query Structure and Query Expansion on Retriev... |
IKE
2003
13 years 10 months ago
2003
Inverted files are widely used to index documents in large-scale information retrieval systems. An inverted file consists of posting lists, which can be stored in either a documen...
ICDE
2008
IEEE
14 years 3 months ago
2008
IEEE
— Skyline queries are capable of retrieving interesting points from a large data set according to multiple criteria. Most work on skyline queries so far has assumed a centralized...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
Existing keyword-search systems in relational databases require users to submit a complete query to compute answers. Often users feel "left in the dark" when they have l...
WWW
2009
ACM
14 years 9 months ago
2009
ACM
In this poster, a tool named BUCEFALO is presented. This tool is specially designed to improve the information retrieval tasks in web-based Personal Health Records (PHR). This too...
ICIP
2001
IEEE
14 years 10 months ago
2001
IEEE
This paper presents a unified approach to colour image coding, content-based indexing, and retrieval for database applications. The binary space partitioning (BSP) tree, tradition...