330 search results - page 40 / 66 » A data abstraction approach for query relaxation |
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
This paper presents HomeViews, a peer-to-peer middleware system for building personal data management applications. HomeViews provides abstractions and services for data organizat...
ECAIW
2008
Springer
13 years 9 months ago
2008
Springer
Abstract. Procedural knowledge in medicine uses to come expressed as isolated sentences in Clinical Practice Guidelines (CPG) that describe how to act in front of specific health-c...
AIR
2004
13 years 7 months ago
2004
Abstract. In this work we study an over-constrained scheduling problem where constraints cannot be relaxed. This problem originates from a local defense agency where activities to ...
PVLDB
2008
13 years 7 months ago
2008
Though inevitable for effective cost-based query rewriting, the derivation of meaningful cardinality estimates has remained a notoriously hard problem in the context of XQuery. By...
IDEAS
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract. We consider the class of applications that manage time series (TS) and propose a data model and a query language that let these applications manipulate TS data sets at a ...