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DBPL
2007
Springer
102views Database» more  DBPL 2007»
14 years 1 months ago
A Theory of Stream Queries
Data streams are modeled as infinite or finite sequences of data elements coming from an arbitrary but fixed universe. The universe can have various built-in functions and predi...
Yuri Gurevich, Dirk Leinders, Jan Van den Bussche
VLDB
2006
ACM
203views Database» more  VLDB 2006»
14 years 7 months ago
The CQL continuous query language: semantic foundations and query execution
CQL, a Continuous Query Language, is supported by the STREAM prototype Data Stream Management System at Stanford. CQL is an expressive SQL-based declarative language for registeri...
Arvind Arasu, Shivnath Babu, Jennifer Widom
ICDE
2007
IEEE
89views Database» more  ICDE 2007»
13 years 11 months ago
A Flexible Query Graph Based Model for the Efficient Execution of Continuous Queries
In this paper, we propose a simple and flexible execution model that (i) supports a wide spectrum of alternative optimization and execution strategies and their mixtures, (ii) pro...
Yijian Bai, Hetal Thakkar, Haixun Wang, Carlo Zani...
CIKM
2011
Springer
12 years 7 months ago
Hybrid models for future event prediction
We present a hybrid method to turn off-the-shelf information retrieval (IR) systems into future event predictors. Given a query, a time series model is trained on the publication...
Giuseppe Amodeo, Roi Blanco, Ulf Brefeld
DKE
2006
125views more  DKE 2006»
13 years 7 months ago
Online clustering of parallel data streams
In recent years, the management and processing of so-called data streams has become a topic of active research in several fields of computer science such as, e.g., distributed sys...
Jürgen Beringer, Eyke Hüllermeier