687 search results - page 1 / 138 » Query Transformation for PSJ-Queries |
ICDE
2008
IEEE
15 years 8 days ago
2008
IEEE
Probabilistic data have recently become popular in applications such as scientific and geospatial databases. For images and other spatial datasets, probabilistic values can capture...
BXML
2004
14 years 10 days ago
2004
: We present a grammar-based approach to specifying k-ary queries for XML documents. k-ary queries simultaneously locate k nodes of an input tree as specified by a given relation. ...
PVLDB
2010
13 years 9 months ago
2010
Range queries based on L1 distance are a common type of queries in multimedia databases containing feature vectors. We propose a novel approach that transforms the feature space i...
PVLDB
2010
13 years 9 months ago
2010
XMorph is a new, shape polymorphic, domain-specific XML query language. A query in a shape polymorphic language adapts to the shape of the input, freeing the user from having to k...
ICDE
2010
IEEE
14 years 2 months ago
2010
IEEE
By imposing a single hierarchy on data, XML makes queries brittle in the sense that a query might fail to produce the desired result if it is executed on the same data organized in...