Search Results - "Vassalos, V."

Semi-Streamed Index Join for near-real time execution of ETL transformations by Bornea, M A, Deligiannakis, A, Kotidis, Y, Vassalos, V

“…Active data warehouses have emerged as a new business intelligence paradigm where data in the integrated repository is refreshed in near real-time. This shift…”
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Efficient XQuery rewriting using multiple views by Manolescu, I, Karanasos, K, Vassalos, V, Zoupanos, S

“…We consider the problem of rewriting XQuery queries using multiple materialized XQuery views. The XQuery dialect we use to express views and queries…”
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Another Outlier Bites the Dust: Computing Meaningful Aggregates in Sensor Networks by Deligiannakis, A., Kotidis, Y., Vassalos, V., Stoumpos, V., Delis, A.

“…Recent work has demonstrated that readings provided by commodity sensor nodes are often of poor quality. In order to provide a valuable sensory infrastructure…”
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Two-phase schema matching in real world relational databases by Bozovic, N., Vassalos, V.

“…We propose a new approach to the problem of schema matching in relational databases that merges the hybrid and composite approach of combining multiple…”
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Monitoring the evolution of interests in the blogosphere by Varlamis, I., Vassalos, V., Palaios, A.

“…We describe blogTrust, an innovative modular and extensible prototype application for monitoring changes in the interests of blogosphere participants. We also…”
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Double Index NEsted-Loop Reactive Join for Result Rate Optimization by Bornea, M.A., Vassalos, V., Kotidis, Y., Deligiannakis, A.

“…Adaptive join algorithms have recently attracted a lot of attention in emerging applications where data is provided by autonomous data sources through…”
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Outlier-Aware Data Aggregation in Sensor Networks by Deligiannakis, A., Stoumpos, V., Kotidis, Y., Vassalos, V., Delis, A.

“…In this paper we discuss a robust aggregation framework that can detect spurious measurements and refrain from incorporating them in the computed aggregate…”
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Building XML query forms and reports with XQForms by Petropoulos, Michalis, Papakonstantinou, Yannis, Vassalos, Vasilis

“…XQForms is the first generator of Web-based query forms and reports for XML data. XQForms takes inputs (i) an XML Schema that models the source data to be…”
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MiniCount: Efficient Rewriting of COUNT-Queries Using Views by Vaclav Lin, Vassalos, V., Malakasiotis, P.

“…We present MiniCount, the first efficient sound and complete algorithm for finding maximally contained rewritings of conjunctive queries with count, using…”
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Modelling Real P2P Networks: The Effect of Altruism by Vassilakis, D.K., Vassalos, V.

“…We develop a model of the interaction of rational peers in an incentive-free peer-to-peer (P2P) network and use game theoretic analysis to derive results about…”
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