Sciweavers

7593 search results - page 405 / 1519
» Querying XML Databases
Sort
View
JAPLL
2010
98views more  JAPLL 2010»
15 years 5 months ago
On database query languages for K-relations
The relational model has recently been extended to so-called K-relations in which tuples are assigned a unique value in a semiring K. A query language, denoted by RAC K , similar ...
Floris Geerts, Antonella Poggi
PVLDB
2010
174views more  PVLDB 2010»
15 years 5 months ago
x-RDF-3X: Fast Querying, High Update Rates, and Consistency for RDF Databases
The RDF data model is gaining importance for applications in computational biology, knowledge sharing, and social communities. Recent work on RDF engines has focused on scalable p...
Thomas Neumann, Gerhard Weikum
ISMIR
2004
Springer
87views Music» more  ISMIR 2004»
16 years 4 days ago
Search Effectiveness Measures for Symbolic Music Queries in Very Large Databases
In the interest of establishing robust benchmarks for search efficiency, we conducted a series of tests on symbolic databases of musical incipits and themes taken from several di...
Craig Stuart Sapp, Yi-Wen Liu, Eleanor Selfridge-F...
DBSEC
2007
116views Database» more  DBSEC 2007»
15 years 8 months ago
Provably-Secure Schemes for Basic Query Support in Outsourced Databases
In this paper, we take a closer look at the security of outsourced databases (aka Database-as-the-Service or DAS), a topic of emerging importance. DAS allows users to store sensit...
Georgios Amanatidis, Alexandra Boldyreva, Adam O'N...
VLDB
2001
ACM
122views Database» more  VLDB 2001»
15 years 11 months ago
An Extendible Hash for Multi-Precision Similarity Querying of Image Databases
We propose multi-precision similarity matching where the image is divided into a number of subblocks, each with its associated color histogram. We present experimental results sho...
Shu Lin, M. Tamer Özsu, Vincent Oria, Raymond...