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WAIM
2004
Springer
15 years 3 months ago
Learning-Based Top-N Selection Query Evaluation over Relational Databases
A top-N selection query against a relation is to find the N tuples that satisfy the query condition the best but not necessarily completely. In this paper, we propose a new method ...
Liang Zhu, Weiyi Meng
DIAGRAMS
2006
Springer
15 years 1 months ago
Evaluation of ERST - An External Representation Selection Tutor
This paper describes the evaluation of ERST, an adaptive system which is designed to improve its users' external representation (ER) selection accuracy on a range of database ...
Beate Grawemeyer
140
Voted
ETM
2010
257views Economy» more  ETM 2010»
14 years 10 months ago
Implementation and Performance Evaluation of the re-ECN Protocol
Re-inserted ECN (re-ECN) is a proposed TCP/IP extension that informs the routers on a path about the estimated level of congestion. The re-ECN protocol extends the Explicit Congest...
Mirja Kühlewind, Michael Scharf
72
Voted
EWCBR
2006
Springer
15 years 1 months ago
What Evaluation Criteria Are Right for CCBR? Considering Rank Quality
Abstract. Evaluation criteria for conversational CBR (CCBR) systems are important to guide development and tuning of new methods, and to enable practitioners to make informed decis...
Steven Bogaerts, David B. Leake
ICC
2008
IEEE
140views Communications» more  ICC 2008»
15 years 4 months ago
Numerical Performance Evaluation of impaired OFDM Links using Alamouti Space Time Coding
—In this paper we present an analytical approach to evaluate the M-QAM bit error rate (BER) as well as channel capacity of Alamouti space time coded OFDM systems in case of direc...
Marco Krondorf, Gerhard Fettweis