448 search results - page 28 / 90 » Queries and Constraints on Semi-structured Data |
EDBT
2009
ACM
15 years 2 months ago
2009
ACM
The concept of time-constrained SQL queries was introduced to address the problem of long-running SQL queries. A key approach adopted for supporting time-constrained SQL queries i...
101
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SDM
2007
SIAM
14 years 11 months ago
2007
SIAM
Local pattern mining algorithms generate sets of patterns, which are typically not directly useful and have to be further processed before actual application or interpretation. Ra...
109
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CIKM
2010
Springer
14 years 7 months ago
2010
Springer
Schema merging is the process of consolidating multiple schemas into a unified view. The task becomes particularly challenging when the schemas are highly heterogeneous and autono...
CASCON
2004
14 years 11 months ago
2004
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
ECIR
2010
Springer
14 years 7 months ago
2010
Springer
Abstract. Traditional retrieval models assume that query terms are independent and rank documents primarily based on various term weighting strategies including TF-IDF and document...