2922 search results - page 61 / 585 » On Relationships Between Query Models |
GVD
2003
13 years 11 months ago
2003
Several mapping schemes have recently been proposed to store XML data in relational tables. Relational database systems are readily available and can handle vast amounts of data v...
BMCBI
2008
13 years 9 months ago
2008
Background: Microarray experiments measure changes in the expression of thousands of genes. The resulting lists of genes with changes in expression are then searched for biologica...
CIKM
2011
Springer
12 years 9 months ago
2011
Springer
Traditional information retrieval techniques based on keyword search help to identify a ranked set of relevant documents, which often contains many documents in the top ranks that...
SIGIR
1996
ACM
14 years 1 months ago
1996
ACM
We present a deductive data model for concept-based query expansion. It is based abstraction levels: the conceptual, the expression and the occurrence level. Concepts and their re...
AAAI
2007
13 years 12 months ago
2007
In this paper, we propose to mine query hierarchies from clickthrough data, which is within the larger area of automatic acquisition of knowledge from the Web. When a user submits...