306 search results - page 24 / 62 » Spark: top-k keyword query in relational databases |
GIS
2010
ACM
13 years 6 months ago
2010
ACM
This paper proposes an efficient, decentralized algorithm for determining the topological relationship between two regions monitored by a geosensor network. Many centralized algo...
OODBS
2000
13 years 11 months ago
2000
A generic graphical query language for ODMG-compliant object databases is proposed, based on the ideas of Query-By-Example, and using UML-like diagrams as schema notation. Ease of ...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
A "sparse" data set typically has hundreds or even thousands of attributes, but most objects have non-null values for only a small number of these attributes. A popular ...
CIKM
2011
Springer
12 years 7 months ago
2011
Springer
We consider data exchange for XML documents: given source and target schemas, a mapping between them, and a document conforming to the source schema, construct a target document a...
DOCENG
2004
ACM
14 years 24 days ago
2004
ACM
With the wide adoption of XML as a standard data representation and exchange format, querying XML documents becomes increasingly important. However, relational database systems co...