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XSYM
2004
Springer
108views Database» more  XSYM 2004»
14 years 1 months ago
XIST: An XML Index Selection Tool
XML indices are essential for efficiently processing XML queries which typically have predicates on both structures and values. Since the number of all possible structural and val...
Kanda Runapongsa, Jignesh M. Patel, Rajesh Bordawe...
CORR
2002
Springer
87views Education» more  CORR 2002»
13 years 8 months ago
Rerendering Semantic Ontologies: Automatic Extensions to UMLS through Corpus Analytics
In this paper, we discuss the utility and deficiencies of existing ontology resources for a number of language processing applications. We describe a technique for increasing the ...
James Pustejovsky, Anna Rumshisky, José M. ...
ICCCI
2009
Springer
14 years 3 months ago
SemCards: A New Representation for Realizing the Semantic Web
Abstract. The Semantic Web promises increased precision in automated information sorting, searching, organizing and summarizing. Realizing this requires significantly more reliabl...
Kristinn R. Thórisson, Nova Spivack, James ...
ASPLOS
2009
ACM
14 years 9 months ago
RapidMRC: approximating L2 miss rate curves on commodity systems for online optimizations
Miss rate curves (MRCs) are useful in a number of contexts. In our research, online L2 cache MRCs enable us to dynamically identify optimal cache sizes when cache-partitioning a s...
David K. Tam, Reza Azimi, Livio Soares, Michael St...
CIKM
2004
Springer
14 years 2 months ago
Evaluating window joins over punctuated streams
We explore join optimizations in the presence of both timebased constraints (sliding windows) and value-based constraints (punctuations). We present the first join solution named...
Luping Ding, Elke A. Rundensteiner