306 search results - page 40 / 62 » Spark: top-k keyword query in relational databases |
CORR
2010
Springer
13 years 2 months ago
2010
Springer
Matching dependencies were recently introduced as declarative rules for data cleaning and entity resolution. Enforcing a matching dependency on a database instance identifies the ...
CIKM
2006
Springer
13 years 11 months ago
2006
Springer
Skyline queries compute the set of Pareto-optimal tuples in a relation, i.e., those tuples that are not dominated by any other tuple in the same relation. Although several algorit...
ICDT
2007
ACM
14 years 1 months ago
2007
ACM
Abstract. In many cases, users may want to consider incomplete answers to their queries. Often, however, there is an overwhelming number of such answers, even if subsumed answers a...
PODS
2009
ACM
14 years 8 months ago
2009
ACM
For many years, finite model theory was viewed as the backbone of database theory, and database theory in turn supplied finite model theory with key motivations and problems. By n...
SAC
2009
ACM
14 years 2 months ago
2009
ACM
XML data warehouses form an interesting basis for decisionsupport applications that exploit heterogeneous data from multiple sources. However, XML-native database systems currentl...