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SIGMOD
2005
ACM
177views Database» more  SIGMOD 2005»
16 years 1 months ago
An approach for pipelining nested collections in scientific workflows
We describe an approach for pipelining nested data collections in scientific workflows. Our approach logically delimits arbitrarily nested collections of data tokens using special...
Timothy M. McPhillips, Shawn Bowers
PODS
2002
ACM
117views Database» more  PODS 2002»
16 years 1 months ago
Monadic Datalog and the Expressive Power of Languages for Web Information Extraction
Research on information extraction from Web pages (wrapping) has seen much activity in recent times (particularly systems implementations), but little work has been done on formal...
Georg Gottlob, Christoph Koch
PODS
2002
ACM
138views Database» more  PODS 2002»
16 years 1 months ago
Fast Algorithms For Hierarchical Range Histogram Construction
Data Warehousing and OLAPapplications typically view data as having multiple logical dimensions e.g., product, location with natural hierarchies de ned on each dimension. OLAP que...
Sudipto Guha, Nick Koudas, Divesh Srivastava
PODS
2005
ACM
99views Database» more  PODS 2005»
16 years 1 months ago
XML type checking with macro tree transducers
MSO logic on unranked trees has been identified as a convenient theoretical framework for reasoning about expressiveness and implementations of practical XML query languages. As a...
Sebastian Maneth, Alexandru Berlea, Thomas Perst, ...
ICCD
2006
IEEE
115views Hardware» more  ICCD 2006»
15 years 10 months ago
Microarchitecture and Performance Analysis of Godson-2 SMT Processor
—This paper introduces the microarchitecture and logical implementation of SMT (Simultaneous Multithreading) improvement of Godson-2 processor which is a 64-bit, four-issue, out-...
Zusong Li, Xianchao Xu, Weiwu Hu, Zhimin Tang