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» Online aggregation and continuous query support in MapReduce
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SSD
2007
Springer
150views Database» more  SSD 2007»
14 years 1 months ago
Online Amnesic Summarization of Streaming Locations
Abstract. Massive data streams of positional updates become increasingly difficult to manage under limited memory resources, especially in terms of providing near real-time respons...
Michalis Potamias, Kostas Patroumpas, Timos K. Sel...
EDBT
2004
ACM
187views Database» more  EDBT 2004»
14 years 7 months ago
Hierarchical In-Network Data Aggregation with Quality Guarantees
Earlier work has demonstrated the effectiveness of in-network data aggregation in order to minimize the amount of messages exchanged during continuous queries in large sensor netwo...
Antonios Deligiannakis, Yannis Kotidis, Nick Rouss...
ICDE
2005
IEEE
147views Database» more  ICDE 2005»
14 years 1 months ago
Advanced Indexing Techniques for Wide-Area Network Monitoring
Abstract— Detecting and unraveling incipient coordinated attacks on Internet resources requires a distributed network monitoring infrastructure. Such an infrastructure will have ...
Xin Li, Fang Bian, Hui Zhang 0002, Christophe Diot...
CAISE
2006
Springer
13 years 11 months ago
A Non-Linear Cost Model for Multi-Node OLAP Systems
Answering performance to business queries, mainly of aggregated nature, known as On-Line Analytical Processing queries, depends heavily on the proper selection of multidimensional ...
Jorge Loureiro, Orlando Belo
SIGMOD
1998
ACM
124views Database» more  SIGMOD 1998»
13 years 11 months ago
An Alternative Storage Organization for ROLAP Aggregate Views Based on Cubetrees
The Relational On-Line Analytical Processing (ROLAP) is emerging as thedominant approach in data warehousing with decision support applications. In order to enhance query performa...
Yannis Kotidis, Nick Roussopoulos