808 search results - page 8 / 162 » On the Estimation of Join Result Sizes |
ISESE
2003
IEEE
15 years 2 months ago
2003
IEEE
Expert judgement is still the dominant technique in practice today for estimation of software project size and effort. In this paper, two instruments are evaluated that have been ...
PODS
2005
ACM
15 years 9 months ago
2005
ACM
We show that any expression of the relational division operator in the relational algebra with union, difference, projection, selection, constant-tagging, and joins, must produce ...
SIGMETRICS
2004
ACM
15 years 3 months ago
2004
ACM
Balancing peer-to-peer graphs, including zone-size distributions, has recently become an important topic of peer-topeer (P2P) research [1], [2], [6], [19], [31], [36]. To bring an...
CHI
2009
ACM
15 years 10 months ago
2009
ACM
We investigate techniques for visualizing time series data and evaluate their effect in value comparison tasks. We compare line charts with horizon graphs--a space-efficient time ...
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ICDE
1998
IEEE
15 years 11 months ago
1998
IEEE
Current data repositories include a variety of data types, including audio, images and time series. State of the art techniques for indexing such data and doing query processing r...