5954 search results - page 1157 / 1191 » Querying Bi-level Information |
SIGMOD
2001
ACM
14 years 9 months ago
2001
ACM
The bit-sliced index (BSI) was originally defined in [ONQ97]. The current paper introduces the concept of BSI arithmetic. For any two BSI's X and Y on a table T, we show how ...
PODS
2004
ACM
14 years 9 months ago
2004
ACM
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
ICSE
2007
IEEE-ACM
14 years 9 months ago
2007
IEEE-ACM
Abstract. Control systems for electrical microgrids rely ever more on heterogeneous off-the-shelf technology for hardware, software and networking among the intelligent electronic ...
ICDE
2010
IEEE
14 years 9 months ago
2010
IEEE
We address the problem of updating XML views over relational data by translating view updates expressed in the XQuery update facility to embedded SQL updates. Although our XML view...
POPL
2010
ACM
14 years 7 months ago
2010
ACM
We present an automated technique for generating compiler optimizations from examples of concrete programs before and after improvements have been made to them. The key technical ...