1283 search results - page 64 / 257 » Probabilistic structured query methods |
ICDE
2007
IEEE
14 years 3 months ago
2007
IEEE
Retrieval queries that combine structural constraints with keyword search represent a significant challenge to XML data management systems. Queries are expected to be answered as...
IS
2002
13 years 8 months ago
2002
Aiming at the efficient retrieval of objects with set-valued attributes, we introduce three variations of a new method in order to satisfy subset and superset queries. Our approac...
PODS
2008
ACM
14 years 9 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
VLDB
2002
ACM
13 years 8 months ago
2002
ACM
Whereas traditional databases manage only deterministic information, many applications that use databases involve uncertain data. This paper presents a Probabilistic Tree Data Bas...
EDBT
2002
ACM
14 years 9 months ago
2002
ACM
Abstract. Aggregate window queries return summarized information about objects that fall inside a query rectangle (e.g., the number of objects instead of their concrete ids). Tradi...