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VLDB
2004
ACM
99views Database» more  VLDB 2004»
14 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
RWEB
2009
Springer
14 years 4 months ago
Logical Foundations of XML and XQuery
XML is the underlying representation formalism of much web-data. Thus to reason about web-data essentially boils down to reasoning about data in XML format. In this course the stud...
Maarten Marx
STDBM
2004
Springer
143views Database» more  STDBM 2004»
14 years 3 months ago
Indexing Query Regions for Streaming Geospatial Data
This paper introduces the Dynamic Cascade Tree (DCT), a structure designed to index query regions on multi-dimensional data streams. The DCT is designed for a stream management sy...
Quinn Hart, Michael Gertz
RTCSA
2007
IEEE
14 years 4 months ago
A Continuous Query Index for Processing Queries on RFID Data Stream
RFID middleware systems collect and filter RFID streaming data gathered continuously by numerous readers to process requests from applications. These requests are called continuou...
Jaekwan Park, Bonghee Hong, ChaeHoon Ban
COMAD
2009
13 years 10 months ago
A Simple and Scalable Filter for XML Streams
XML stream querying problem involves evaluating a given, potentially large, set of query expressions on a continuous stream of XML messages. Since the messages arrive continuously...
Abdul Nizar, G. Suresh Babu, P. Sreenivasa Kumar