167 search results - page 23 / 34 » On the provenance of non-answers to queries over extracted d... |
DEXAW
2005
IEEE
14 years 11 months ago
2005
IEEE
In this paper, we study semistructured data and indexes preserving inclusion constraints. A semistructured datum is modelled by multi-rooted edge-labeled directed graphs. We consi...
CORR
2010
Springer
14 years 8 months ago
2010
Springer
Abstract—This paper studies the problem of distributed computation over a network of wireless sensors. While this problem applies to many emerging applications, to keep our discu...
IDEAS
2010
IEEE
14 years 7 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 ...
CORR
2011
Springer
14 years 1 months ago
2011
Springer
Many applications, including provenance and some analyses of social networks, require path-based queries over graphstructured data. When these graphs contain sensitive information...
BMCBI
2005
14 years 9 months ago
2005
Background: SRS (Sequence Retrieval System) has proven to be a valuable platform for storing, linking, and querying biological databases. Due to the availability of a broad range ...