243 search results - page 29 / 49 » A Heuristics-Based Approach to Query Optimization in Structu... |
CIKM
2009
Springer
15 years 4 months ago
2009
Springer
Relevance Feedback has proven very effective for improving retrieval accuracy. A difficult yet important problem in all relevance feedback methods is how to optimally balance the...
SSD
2005
Springer
15 years 3 months ago
2005
Springer
Most recent research on querying and managing data streams has concentrated on traditional data models where the data come in the form of tuples or XML data. Complex types of strea...
150
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ICDE
2005
IEEE
15 years 11 months ago
2005
IEEE
The SQL queries produced in XML-to-SQL query translation are often unnecessarily complex, even for simple input XML queries. In this paper we argue that relational systems can do ...
114
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EDBT
2002
ACM
15 years 9 months ago
2002
ACM
Applying meta search systems is a suitable method to support the user if there are many different services. Due to information splitting strategies of literature services existing ...
SSDBM
2003
IEEE
15 years 2 months ago
2003
IEEE
In many application contexts, like statistical databases, scientific databases, query optimizers, OLAP, and so on, data are often summarized into synopses of aggregate values. Su...