716 search results - page 28 / 144 » Optimizing Queries in Extended Relational Databases |
109
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BDA
1993
15 years 16 days ago
1993
We show how structured data stored in files can benefit from standard database technology and in particular be queried and updated using database languages. We introduce the notio...
RSCTC
2000
Springer
15 years 2 months ago
2000
Springer
The main task in decision tree construction algorithms is to find the "best partition" of the set of objects. In this paper, we investigate the problem of optimal binary ...
SSD
2001
Springer
15 years 3 months ago
2001
Springer
The design of external index structures for one- and multidimensional extended objects is a long and well studied subject in basic database research. Today, more and more commercia...
100
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CDB
2004
Springer
15 years 4 months ago
2004
Springer
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). We present here a nu...
309
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ICDE
2006
IEEE
16 years 17 days ago
2006
IEEE
In this paper we present a system for automatically integrating unstructured text into a multi-relational database using state-of-the-art statistical models for structure extracti...