Sciweavers

27756 search results - page 152 / 5552
» Process Query Systems
Sort
View
CIKM
2008
Springer
15 years 4 months ago
Workload-based optimization of integration processes
The efficient execution of integration processes between distributed, heterogeneous data sources and applications is a challenging research area of data management. These inn proc...
Matthias Böhm, Uwe Wloka, Dirk Habich, Wolfga...
136
Voted
EDBT
2010
ACM
177views Database» more  EDBT 2010»
15 years 9 months ago
Bridging the gap between intensional and extensional query evaluation in probabilistic databases
There are two broad approaches to query evaluation over probabilistic databases: (1) Intensional Methods proceed by manipulating expressions over symbolic events associated with u...
Abhay Jha, Dan Olteanu, Dan Suciu
90
Voted
IJCNLP
2004
Springer
15 years 7 months ago
Spoken Versus Written Queries for Mobile Information Access: An Experiment on Mandarin Chinese
As Chinese is not alphabetic and the input of Chinese characters into computer is still a difficult and unsolved problem, voice retrieval of information becomes apparently an imp...
Heather Du, Fabio Crestani

Publication
502views
17 years 2 months ago
Spatio-Temporal Histograms
This paper presents a framework for building and continuously maintaining spatio-temporal histograms (ST-Histograms, for short). ST-Histograms are used for selectivity estimation o...
Hicham G. Elmongui, Mohamed F. Mokbel, Walid G. Ar...
94
Voted
ER
2004
Springer
103views Database» more  ER 2004»
15 years 7 months ago
Querying Heterogeneous Spatial Databases: Combining an Ontology with Similarity Functions
This paper uses a knowledge-based approach to querying heterogeneous spatial databases based on an ontology and conceptual and attribute similarities. The ontology, which may be in...
Mariella Gutiérrez, M. Andrea Rodríg...