Sciweavers

481 search results - page 47 / 97
» acm 1994
Sort
View
SIGIR
2011
ACM
12 years 11 months ago
Ad hoc IR: not much room for improvement
Ranking function performance reached a plateau in 1994. The reason for this is investigated. First the performance of BM25 is measured as the proportion of queries satisfied on th...
Andrew Trotman, David Keeler
ICFP
2012
ACM
11 years 11 months ago
Propositions as sessions
Continuing a line of work by Abramsky (1994), by Bellin and Scott (1994), and by Caires and Pfenning (2010), among others, this paper presents CP, a calculus in which propositions...
Philip Wadler
VLDB
1994
ACM
126views Database» more  VLDB 1994»
14 years 24 days ago
Building a Laboratory Information System Around a C++-Based Object-Oriented DBMS
MapBase is a laboratory information system that has been supporting a high-throughput genome-mapping operation for the last three years. We chose to build MapBase around a C++-bas...
Nathan Goodman, Steve Rozen, Lincoln Stein
VLDB
1994
ACM
153views Database» more  VLDB 1994»
14 years 24 days ago
Optimization Algorithms for Exploiting the Parallelism-Communication Tradeoff in Pipelined Parallelism
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering followed by parallelization. We focus on the parallelization phase a...
Waqar Hasan, Rajeev Motwani
CCS
1994
ACM
14 years 25 days ago
Application Access Control at Network Level
This paper describes an access control mechanism that enforces at the network level an access control decision that is taken at the application level. The mechanism is based on th...
Refik Molva, Erich Rütsche