590 search results - page 90 / 118 » SPARK: A Keyword Search Engine on Relational Databases |
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
We study the problem of creating highly compressed fulltext index structures for versioned document collections, that is, collections that contain multiple versions of each docume...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
While numerous metrics for information retrieval are available in the case of binary relevance, there is only one commonly used metric for graded relevance, namely the Discounted ...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Search engines that support structured documents typically support structure created by the author (e.g., title, section), and may also support structure added by an annotation pr...
KDD
2008
ACM
14 years 8 months ago
2008
ACM
We introduce the problem of query decomposition, where we are given a query and a document retrieval system, and we want to produce a small set of queries whose union of resulting...
VLDB
2000
ACM
13 years 11 months ago
2000
ACM
In this paper, we describe a novel Web query processing approach with learning capabilities. Under this approach, user queries are in the form of keywords and search engines are e...