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» Semantics of Database Transformations
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ICDE
2007
IEEE
110views Database» more  ICDE 2007»
16 years 5 months ago
Semantic Prefetching of Correlated Query Sequences
We present a system that optimizes sequences of related client requests by combining small requests into larger ones, thus reducing per-request overhead. The system predicts upcom...
Ivan T. Bowman, Kenneth Salem
105
Voted
DEXAW
2007
IEEE
160views Database» more  DEXAW 2007»
15 years 10 months ago
Apolda: A Practical Tool for Semantic Annotation
In this paper we give an overview of methods to find representations of ontology defined concepts in texts. We distinguish two approaches: lexicon-based methods and approaches u...
Christian Wartena, Rogier Brussee, Luit Gazendam, ...
VLDB
2005
ACM
103views Database» more  VLDB 2005»
15 years 9 months ago
Semantic Query Optimization for XQuery over XML Streams
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
Hong Su, Elke A. Rundensteiner, Murali Mani
127
Voted
SYRCODIS
2008
127views Database» more  SYRCODIS 2008»
15 years 5 months ago
On the Semantics of Updates in a Functional Language
Issues related to updating data in native XML database systems are studied extensively nowadays. In this work we consider a problem of updating typed XML documents having their sc...
Pavel Loupal
138
Voted
EGC
2005
Springer
15 years 9 months ago
Implementation of Federated Databases Through Updatable Views
We present a new approach to the grid technology that is based on federated databases and updatable views. Views are used in two ways: (1) as wrappers of local servers that adopt l...
Hanna Kozankiewicz, Krzysztof Stencel, Kazimierz S...