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» Answering order-based queries over XML data
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WEBDB
2005
Springer
101views Database» more  WEBDB 2005»
15 years 3 months ago
T-SIX: An Indexing System for XML Siblings
We present a system for efficient indexed querying of XML documents, enhanced with sibling operations. R-tree index proposed in [5] has a very high cost for the following-sibling...
SungRan Cho
DLOG
2007
15 years 7 days ago
Expressive Querying over Fuzzy DL-Lite Ontologies
Abstract. Fuzzy Description Logics (f-DLs) have been proposed as formalisms capable of capturing and reasoning about imprecise and vague knowledge. The last years, research in Desc...
Jeff Z. Pan, Giorgos B. Stamou, Giorgos Stoilos, E...
SIGMOD
2002
ACM
198views Database» more  SIGMOD 2002»
15 years 10 months ago
Processing complex aggregate queries over data streams
Recent years have witnessed an increasing interest in designing algorithms for querying and analyzing streaming data (i.e., data that is seen only once in a fixed order) with only...
Alin Dobra, Minos N. Garofalakis, Johannes Gehrke,...
CIKM
2011
Springer
13 years 10 months ago
Tractable XML data exchange via relations
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...
Rada Chirkova, Leonid Libkin, Juan L. Reutter
EDBT
2009
ACM
207views Database» more  EDBT 2009»
15 years 1 months ago
Evaluating probability threshold k-nearest-neighbor queries over uncertain data
In emerging applications such as location-based services, sensor monitoring and biological management systems, the values of the database items are naturally imprecise. For these ...
Reynold Cheng, Lei Chen 0002, Jinchuan Chen, Xike ...