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» Approximate Data Structures with Applications
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VLDB
2006
ACM
203views Database» more  VLDB 2006»
16 years 6 months ago
The CQL continuous query language: semantic foundations and query execution
CQL, a Continuous Query Language, is supported by the STREAM prototype Data Stream Management System at Stanford. CQL is an expressive SQL-based declarative language for registeri...
Arvind Arasu, Shivnath Babu, Jennifer Widom
WEBDB
2009
Springer
112views Database» more  WEBDB 2009»
16 years 28 days ago
Querying DAG-shaped Execution Traces Through Views
The question whether a given set of views, defined by queries, can be used to answer another query, arises in several contexts such as query optimization, data integration and se...
Maya Ben-Ari, Tova Milo, Elad Verbin
IRI
2006
IEEE
16 years 11 days ago
An RDF-based annotation framework for providing web resources integrity
: Data integrity of web resources is becoming more and more important with the increasing development of Internet. In the context of active intermediaries, current solution for dat...
Dejun Jiang, Chi-Hung Chi, Lin Liu
ISWC
2006
IEEE
16 years 11 days ago
Towards Less Supervision in Activity Recognition from Wearable Sensors
Activity Recognition has gained a lot of interest in recent years due to its potential and usefulness for context-aware wearable computing. However, most approaches for activity r...
Tâm Huynh, Bernt Schiele
DEXA
2005
Springer
80views Database» more  DEXA 2005»
15 years 12 months ago
Optimizing I/O Costs of Multi-dimensional Queries Using Bitmap Indices
Bitmap indices are efficient data structures for processing complex, multi-dimensional queries in data warehouse applications and scientific data analysis. For high-cardinality at...
Doron Rotem, Kurt Stockinger, Kesheng Wu