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ICDE
2012
IEEE
249views Database» more  ICDE 2012»
6 years 11 months ago
Answering Why-not Questions on Top-k Queries
Abstract—After decades of effort working on database performance, the quality and the usability of database systems have received more attention in recent years. In particular, t...
Zhian He, Eric Lo
EDBT
2009
ACM
165views Database» more  EDBT 2009»
8 years 7 months ago
Exploiting the power of relational databases for efficient stream processing
Stream applications gained significant popularity over the last years that lead to the development of specialized stream engines. These systems are designed from scratch with a di...
Erietta Liarou, Romulo Goncalves, Stratos Idreos
ICDE
2010
IEEE
178views Database» more  ICDE 2010»
8 years 7 months ago
The Hybrid-Layer Index: A synergic approach to answering top-k queries in arbitrary subspaces
In this paper, we propose the Hybrid-Layer Index (simply, the HL-index) that is designed to answer top-k queries efficiently when the queries are expressed on any arbitrary subset ...
Jun-Seok Heo, Junghoo Cho, Kyu-Young Whang
TKDE
2010
152views more  TKDE 2010»
8 years 7 months ago
Maintaining Recursive Views of Regions and Connectivity in Networks
— The data management community has recently begun to consider declarative network routing and distributed acquisition: e.g., sensor networks that execute queries about contiguou...
Mengmeng Liu, Nicholas E. Taylor, Wenchao Zhou, Za...
SIGMOD
2010
ACM
145views Database» more  SIGMOD 2010»
8 years 7 months ago
How to ConQueR why-not questions
One useful feature that is missing from today’s database systems is an explain capability that enables users to seek clarifications on unexpected query results. There are two t...
Quoc Trung Tran, Chee-Yong Chan
OTM
2010
Springer
8 years 7 months ago
Context-Aware Tuples for the Ambient
In tuple space approaches to context-aware mobile systems, the notion of context is defined by the presence or absence of certain tuples in the tuple space. Existing approaches de...
Christophe Scholliers, Elisa Gonzalez Boix, Wolfga...
SAC
2008
ACM
8 years 8 months ago
Continuous k-dominant skyline computation on multidimensional data streams
Skyline queries are important due to their usefulness in many application domains. However, by increasing the number of attributes, the probability that a tuple dominates another ...
Maria Kontaki, Apostolos N. Papadopoulos, Yannis M...
KAIS
2007
113views more  KAIS 2007»
8 years 9 months ago
CPU load shedding for binary stream joins
We present an adaptive load shedding approach for windowed stream joins. In contrast to the conventional approach of dropping tuples from the input streams, we explore the concept ...
Bugra Gedik, Kun-Lung Wu, Philip S. Yu, Ling Liu
ICDE
2010
IEEE
167views Database» more  ICDE 2010»
8 years 9 months ago
Top-k pipe join
Abstract—In the context of service composition and orchestration, service invocation is typically scheduled according to execution plans, whose topology establishes whether diffe...
Davide Martinenghi, Marco Tagliasacchi
IJCAI
1989
8 years 10 months ago
Plausible Inferencing Using Extended Composition
This paper considers the composition of tuples from two relations in order to derive additional tuples of one of these relations. Our purpose is to determine when the composition i...
Michael N. Huhns, Larry M. Stephens
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