178 search results - page 20 / 36 » Answering Recursive Queries Using Views |
ISI
2008
Springer
13 years 7 months ago
2008
Springer
In this paper, we propose managing data summaries in unstructured P2P systems. Our summaries are intelligible views with two main virtues. First, they can be directly queried and u...
OTM
2005
Springer
14 years 26 days ago
2005
Springer
Abstract. Caching can highly improve performance of query processing in distributed databases. In this paper we show how this technique can be used in grid architecture where data ...
VLDB
1995
ACM
13 years 11 months ago
1995
ACM
In this paper we introduce generalized projections (GPs), an extension of duplicateeliminating projections, that capture aggregations, groupbys, duplicate-eliminating projections ...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
DILS
2006
Springer
13 years 11 months ago
2006
Springer
Scientific experiments are becoming increasingly large and complex, with a commensurate increase in the amount and complexity of data generated. Data, both intermediate and final r...