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» A query language for analyzing networks
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NBIS
2007
Springer
14 years 2 months ago
Implementing Range Queries with a Decentralized Balanced Tree over Distributed Hash Tables
Range queries, retrieving all keys within a given range, is an important add-on for Distributed Hash Tables (DHTs), as they rely only on exact key matching lookup. In this paper we...
Nuno Lopes, Carlos Baquero
SAC
2011
ACM
12 years 11 months ago
Spatial network modeling for databases
Spatial networks like transportation, power, and pipeline networks are a ubiquitous spatial concept in everyday life and play an important role for navigational and routing purpos...
Virupaksha Kanjilal, Markus Schneider
IS
2011
13 years 14 days ago
Detecting proximity events in sensor networks
Sensor networks are often used to perform monitoring tasks, such as animal and vehicle tracking, or the surveillance of enemy forces in military applications. In this paper we int...
Antonios Deligiannakis, Yannis Kotidis
ICDE
2007
IEEE
155views Database» more  ICDE 2007»
14 years 3 months ago
Query-Aware Sampling for Data Streams
Data Stream Management Systems are useful when large volumes of data need to be processed in real time. Examples include monitoring network traffic, monitoring financial transacti...
Theodore Johnson, S. Muthukrishnan, Vladislav Shka...
CORR
2007
Springer
77views Education» more  CORR 2007»
13 years 8 months ago
Query Evaluation and Optimization in the Semantic Web
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
Edna Ruckhaus, Eduardo Ruiz, Maria-Esther Vidal