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DEXAW
2010
IEEE
151views Database» more  DEXAW 2010»
15 years 8 months ago
Students' Acceptance of Web 2.0 Technologies in Higher Education: Findings from a Survey in a Romanian University
This paper reports findings from a survey on students' attitude towards the use of Web 2.0 tools in a Romanian university. The purpose of the study is threefold: i) establish ...
Elvira Popescu
CORR
2004
Springer
146views Education» more  CORR 2004»
15 years 7 months ago
Mining Frequent Itemsets from Secondary Memory
Mining frequent itemsets is at the core of mining association rules, and is by now quite well understood algorithmically for main memory databases. In this paper, we investigate a...
Gösta Grahne, Jianfei Zhu
SIGMOD
2010
ACM
183views Database» more  SIGMOD 2010»
15 years 2 months ago
TPC-E vs. TPC-C: characterizing the new TPC-E benchmark via an I/O comparison study
TPC-E is a new OLTP benchmark recently approved by the Transaction Processing Performance Council (TPC). In this paper, we compare TPC-E with the familiar TPCC benchmark in order ...
Shimin Chen, Anastasia Ailamaki, Manos Athanassoul...
DEXA
2007
Springer
141views Database» more  DEXA 2007»
16 years 1 months ago
Indexing Set-Valued Attributes with a Multi-level Extendible Hashing Scheme
We present an access method for set-valued attributes that is based on a multi-level extendible hashing scheme. This scheme avoids exponential directory growth for skewed data and...
Sven Helmer, Robin Aly, Thomas Neumann, Guido Moer...
ER
2004
Springer
84views Database» more  ER 2004»
16 years 24 days ago
Modeling Functional Data Sources as Relations
In this paper we present a model of functional access to data that, we argue, is suitable for modeling a class of data repositories characterized by functional access, such as web ...
Simone Santini, Amarnath Gupta