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ER
2008
Springer
110views Database» more  ER 2008»
13 years 10 months ago
Conjunctive Query Containment under Access Limitations
Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables: this happens, for instance, in Data Exchange and ...
Andrea Calì, Davide Martinenghi
DAMON
2007
Springer
14 years 2 months ago
Architectural characterization of XQuery workloads on modern processors
As XQuery rapidly emerges as the standard for querying XML documents, it is very important to understand the architectural characteristics and behaviors of such workloads. A lot o...
Rubao Lee, Bihui Duan, Taoying Liu
JELIA
2010
Springer
13 years 7 months ago
Decomposition of Distributed Nonmonotonic Multi-Context Systems
Multi-Context Systems (MCS) are formalisms that enable the interlinkage of single knowledge bases, called contexts, via bridge rules. Recently, the evaluation of heterogeneous, no...
Seif El-Din Bairakdar, Minh Dao-Tran, Thomas Eiter...
ICSE
2009
IEEE-ACM
14 years 3 months ago
Automatically capturing source code context of NL-queries for software maintenance and reuse
As software systems continue to grow and evolve, locating code for maintenance and reuse tasks becomes increasingly difficult. Existing static code search techniques using natura...
Emily Hill, Lori L. Pollock, K. Vijay-Shanker
ICDE
2008
IEEE
190views Database» more  ICDE 2008»
14 years 10 months ago
Adaptive Segmentation for Scientific Databases
In this paper we explore database segmentation in the context of a column-store DBMS targeted at a scientific database. We present a novel hardware- and scheme-oblivious segmentati...
Milena Ivanova, Martin L. Kersten, Niels Nes