294 search results - page 31 / 59 » Answering Regular Path Queries Using Views |
OTM
2005
Springer
14 years 2 months 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
14 years 21 hour ago
1995
ACM
In this paper we introduce generalized projections (GPs), an extension of duplicateeliminating projections, that capture aggregations, groupbys, duplicate-eliminating projections ...
NIL
1991
14 years 5 hour ago
1991
In this paper we consider supernormal defaults [Poo88] with a strict partial order defining their priorities [Bre91]. We investigate their relation to minimal or preferential ent...
SIGMOD
2004
ACM
14 years 8 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
14 years 5 days 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...