173 search results - page 26 / 35 » Consistent Query Answering in Data Warehouses |
CIKM
2011
Springer
12 years 9 months ago
2011
Springer
We consider data exchange for XML documents: given source and target schemas, a mapping between them, and a document conforming to the source schema, construct a target document a...
GIS
2009
ACM
14 years 2 months ago
2009
ACM
The in-network query processing paradigm in sensor networks postulates that a query is routed among sensors and collects the answers from the sensors on its trajectory. It works f...
DEXA
2000
Springer
14 years 2 months ago
2000
Springer
Abstract. Bitmap indices are popular multi-dimensional data structures for accessing read-mostly data such as data warehouse (DW) applications, decision support systems (DSS) and o...
IEICET
2008
13 years 9 months ago
2008
We consider the polynomial time learnability of finite unions of ordered tree patterns with internal structured variables, in the query learning model of Angluin (1988). An ordered...
MOBIHOC
2009
ACM
14 years 10 months ago
2009
ACM
Most future large-scale sensor networks are expected to follow a two-tier architecture which consists of resource-rich master nodes at the upper tier and resource-poor sensor node...