7576 search results - page 1396 / 1516 » On Querying Ontologies and Databases |
SIGMOD
2009
ACM
14 years 10 months ago
2009
ACM
We consider the problem of collectively approximating a set of sensor signals using the least amount of space so that any individual signal can be efficiently reconstructed within...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
The proliferation of database-driven web sites (or web-databases) has brought upon a plethora of applications where both Quality of Service (QoS) and Quality of Data (QoD) are of ...
SIGMOD
2006
ACM
14 years 10 months ago
2006
ACM
Given a d-dimensional data set, a point p dominates another point q if it is better than or equal to q in all dimensions and better than q in at least one dimension. A point is a ...
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
We present a technique that masks failures in a cluster to provide high availability and fault-tolerance for long-running, parallelized dataflows. We can use these dataflows to im...
SIGMOD
2002
ACM
14 years 10 months ago
2002
ACM
Recent work has demonstrated the effectiveness of the wavelet decomposition in reducing large amounts of data to compact sets of wavelet coefficients (termed "wavelet synopse...