2771 search results - page 80 / 555 » Locality of Queries and Transformations |
141
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ICALP
2005
Springer
15 years 10 months ago
2005
Springer
We prove new lower bounds for locally decodable codes and private information retrieval. We show that a 2-query LDC encoding nbit strings over an ℓ-bit alphabet, where the decode...
130
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WWW
2007
ACM
16 years 5 months ago
2007
ACM
In this paper, we show that most multiple term queries include more than one topic and users usually reformulate their queries by topics instead of terms. In order to provide empi...
168
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SSDBM
2009
IEEE
15 years 11 months ago
2009
IEEE
Scientific experiments produce large volumes of data represented as complex objects that describe independent events such as particle collisions. Scientific analyses can be express...
139
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SIGMOD
1999
ACM
15 years 8 months ago
1999
ACM
In this paper we present a mechanism for translating constraint queries, i.e., Boolean expressions of constraints, across heterogeneous information sources. Integrating such syste...
145
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DBA
2004
2004
A Tool for Transforming Conceptual Schemas of Spatio-Temporal Databases with Multiple Representation
15 years 5 months ago
Nowadays, classical conceptual models (such as ER or UML) are used for designing database applications. These classical conceptual models usually come with associated CASE tools a...