6650 search results - page 568 / 1330 » Mutating database queries |
229
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ICDE
2012
IEEE
13 years 9 months ago
2012
IEEE
—“Big Data” in map-reduce (M-R) clusters is often fundamentally temporal in nature, as are many analytics tasks over such data. For instance, display advertising uses Behavio...
205
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WISE
2009
Springer
16 years 4 months ago
2009
Springer
ct One significant effort towards combining the virtues of Web search, viz. being accessible to untrained users and able to cope with vastly heterogeneous data, with those of dat...
233
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
Users frequently modify a previous search query in hope of retrieving better results. These modifications are called query reformulations or query refinements. Existing research h...
229
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ECIR
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. The structural heterogeneity and complexity of XML repositories makes query formulation challenging for users who have little knowledge of XML. To assist its users, an XM...
253
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
Data sources for data integration often come with spurious schema definitions such as undefined foreign key constraints. Such metadata are important for querying the database and ...