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DAMON
2008
Springer
15 years 4 months ago
Critical sections: re-emerging scalability concerns for database storage engines
Critical sections in database storage engines impact performance and scalability more as the number of hardware contexts per chip continues to grow exponentially. With enough thre...
Ryan Johnson, Ippokratis Pandis, Anastasia Ailamak...
AWIC
2003
Springer
15 years 7 months ago
From Search Engines to Question-Answering Systems - The Need for New Tools
Abstract Search engines, with Google at the top, have many remarkable capabilities. But what is not among them is the deduction capability—the capability to synthesize an answer ...
Lotfi A. Zadeh
119
Voted
OWLED
2008
15 years 4 months ago
Conjunctive Query Answering in EL using a Database System
We study conjunctive query answering in the description logic EL, the core of the designated OWL2-EL profile of OWL2. In particular, we present an approach that allows the use of c...
Carsten Lutz, David Toman, Frank Wolter
197
Voted
SIGMOD
2007
ACM
169views Database» more  SIGMOD 2007»
16 years 2 months ago
Scalable approximate query processing with the DBO engine
This paper describes query processing in the DBO database system. Like other database systems designed for ad-hoc, analytic processing, DBO is able to compute the exact answer to ...
Christopher M. Jermaine, Subramanian Arumugam, Abh...
202
Voted
SIGMOD
2007
ACM
147views Database» more  SIGMOD 2007»
16 years 2 months ago
Extending relational query optimization to dynamic schemas for information integration in multidatabases
This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...
Catharine M. Wyss, Felix I. Wyss