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» Indexing Distributed Complex Data for Complex Queries
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HPCA
2004
IEEE
16 years 2 months ago
Stream Register Files with Indexed Access
Many current programmable architectures designed to exploit data parallelism require computation to be structured to operate on sequentially accessed vectors or streams of data. A...
Nuwan Jayasena, Mattan Erez, Jung Ho Ahn, William ...
ICDT
2001
ACM
116views Database» more  ICDT 2001»
15 years 6 months ago
On Optimizing Nearest Neighbor Queries in High-Dimensional Data Spaces
Abstract. Nearest-neighbor queries in high-dimensional space are of high importance in various applications, especially in content-based indexing of multimedia data. For an optimiz...
Stefan Berchtold, Christian Böhm, Daniel A. K...
ICDE
2003
IEEE
146views Database» more  ICDE 2003»
16 years 3 months ago
Navigation- vs. Index-Based XML Multi-Query Processing
XML path queries form the basis of complex filtering of XML data. Most current XML path query processing techniques can be divided in two groups. Navigation-based algorithms compu...
Nicolas Bruno, Luis Gravano, Nick Koudas, Divesh S...
COMAD
2009
15 years 3 months ago
On the Complexity of Multi-Query Optimization in Stream Grids
Stream grids are wide-area grid computing environments that are fed by a set of stream data sources. Such grids are becoming more wide-spread due to the large scale deployment of ...
Saikat Mukherjee, Srinath Srinivasa, Krithi Ramamr...
AAAI
2006
15 years 3 months ago
Characterizing Data Complexity for Conjunctive Query Answering in Expressive Description Logics
Description Logics (DLs) are the formal foundations of the standard web ontology languages OWL-DL and OWL-Lite. In the Semantic Web and other domains, ontologies are increasingly ...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter