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SIGMOD
2006
ACM
113views Database» more  SIGMOD 2006»
14 years 11 months ago
XPORT: extensible profile-driven overlay routing trees
XPORT is a profile-driven distributed data dissemination system that supports an extensible set of data types, profiles types, and optimization metrics. XPORT efficiently implemen...
Olga Papaemmanouil, Yanif Ahmad, Ugur Çetin...
SIGMOD
2006
ACM
116views Database» more  SIGMOD 2006»
14 years 11 months ago
Extensible optimization in overlay dissemination trees
We introduce XPORT, a profile-driven distributed data dissemination system that supports an extensible set of data types, profile types, and optimization metrics. XPORT efficientl...
Olga Papaemmanouil, Yanif Ahmad, Ugur Çetin...
SIGMOD
2006
ACM
137views Database» more  SIGMOD 2006»
14 years 11 months ago
Optimal multi-scale patterns in time series streams
We introduce a method to discover optimal local patterns, which concisely describe the main trends in a time series. Our approach examines the time series at multiple time scales ...
Spiros Papadimitriou, Philip S. Yu
SIGMOD
2006
ACM
121views Database» more  SIGMOD 2006»
14 years 11 months ago
Rewriting nested XML queries using nested views
We present and analyze an algorithm for equivalent rewriting of XQuery queries using XQuery views, which is complete for a large class of XQueries featuring nested FLWR blocks, XM...
Nicola Onose, Alin Deutsch, Yannis Papakonstantino...
SIGMOD
2006
ACM
238views Database» more  SIGMOD 2006»
14 years 11 months ago
Continuous monitoring of top-k queries over sliding windows
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
Kyriakos Mouratidis, Spiridon Bakiras, Dimitris Pa...
SIGMOD
2006
ACM
116views Database» more  SIGMOD 2006»
14 years 11 months ago
Simultaneous scalability and security for data-intensive web applications
For Web applications in which the database component is the bottleneck, scalability can be provided by a third-party Database Scalability Service Provider (DSSP) that caches appli...
Amit Manjhi, Anastassia Ailamaki, Bruce M. Maggs, ...
SIGMOD
2006
ACM
106views Database» more  SIGMOD 2006»
14 years 11 months ago
Run-time operator state spilling for memory intensive long-running queries
Main memory is a critical resource when processing longrunning queries over data streams with state intensive operators. In this work, we investigate state spill strategies that h...
Bin Liu, Yali Zhu, Elke A. Rundensteiner
SIGMOD
2006
ACM
426views Database» more  SIGMOD 2006»
14 years 11 months ago
Effective keyword search in relational databases
With the amount of available text data in relational databases growing rapidly, the need for ordinary users to search such information is dramatically increasing. Even though the ...
Fang Liu, Clement T. Yu, Weiyi Meng, Abdur Chowdhu...
SIGMOD
2006
ACM
149views Database» more  SIGMOD 2006»
14 years 11 months ago
Efficient query processing on unstructured tetrahedral meshes
Modern scientific applications consume massive volumes of data produced by computer simulations. Such applications require new data management capabilities in order to scale to te...
Stratos Papadomanolakis, Anastassia Ailamaki, Juli...
SIGMOD
2006
ACM
158views Database» more  SIGMOD 2006»
14 years 11 months ago
Continuous query processing in data streams using duality of data and queries
Recent data stream systems such as TelegraphCQ have employed the well-known property of duality between data and queries. In these systems, query processing methods are classified...
Hyo-Sang Lim, Jae-Gil Lee, Min-Jae Lee, Kyu-Young ...