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ICALP
2005
Springer
15 years 10 months ago
Tight Lower Bounds for Query Processing on Streaming and External Memory Data
We study a clean machine model for external memory and stream processing. We show that the number of scans of the external data induces a strict hierarchy (as long as work space is...
Martin Grohe, Christoph Koch, Nicole Schweikardt
ICSOC
2005
Springer
15 years 10 months ago
Towards Dynamic Monitoring of WS-BPEL Processes
The intrinsic flexibility and dynamism of service-centric applications preclude their pre-release validation and demand for suitable probes to monitor their behavior at run-time. ...
Luciano Baresi, Sam Guinea
SOFSEM
2004
Springer
15 years 10 months ago
Processing XPath Expressions in Relational Databases
Abstract. Research on processing XML documents gained much activity in recent times. XML query languages are mostly based on XPath expressions, which are used to select parts of XM...
Tadeusz Pankowski
DBPL
2003
Springer
130views Database» more  DBPL 2003»
15 years 10 months ago
Attribute Grammars for Scalable Query Processing on XML Streams
We introduce the new notion of XML Stream Attribute Grammars (XSAGs). XSAGs are the first scalable query language for XML streams (running strictly in linear time with bounded mem...
Christoph Koch, Stefanie Scherzinger
CONCUR
2000
Springer
15 years 9 months ago
An Implicitly-Typed Deadlock-Free Process Calculus
Abstract. We extend Kobayashi and Sumii’s type system for the deadlock-free π-calculus and develop a type reconstruction algorithm. Kobayashi and Sumii’s type system helps hig...
Naoki Kobayashi, Shin Saito, Eijiro Sumii