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VLDB
2004
ACM
99views Database» more  VLDB 2004»
15 years 3 months ago
Query Languages and Data Models for Database Sequences and Data Streams
We study the fundamental limitations of relational algebra (RA) and SQL in supporting sequence and stream queries, and present effective query language and data model enrichments ...
Yan-Nei Law, Haixun Wang, Carlo Zaniolo
SAC
2006
ACM
15 years 3 months ago
Discretization from data streams: applications to histograms and data mining
Abstract. In this paper we propose a new method to perform incremental discretization. The basic idea is to perform the task in two layers. The first layer receives the sequence o...
João Gama, Carlos Pinto
SIGMOD
2006
ACM
158views Database» more  SIGMOD 2006»
15 years 10 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 ...
IDEAS
2000
IEEE
90views Database» more  IDEAS 2000»
15 years 2 months ago
StreamJoin: A Generic Database Approach to Support the Class of Stream-Oriented Applications
Today many applications routinely generate large quantities of data. The data often takes the form of (time) series, or more generally streams, i.e. an ordered sequence of records...
Clara Nippl, Ralf Rantzau, Bernhard Mitschang
DEBU
2008
90views more  DEBU 2008»
14 years 9 months ago
Data Aggregation, Heterogeneous Data Sources and Streaming Processing: How Can XQuery Help?
Software infrastructures and applications more and more must deal with data available in a variety of different storage engines, accessible through a multitude of protocols and in...
Marc Van Cappellen, Wouter Cordewiner, Carlo Innoc...