3319 search results - page 392 / 664 » Type Theoretical Databases |
148
Voted
SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
The state of the art commercial query optimizers employ cost-based optimization and exploit dynamic programming (DP) to find the optimal query execution plan (QEP) without evalua...
155
Voted
DEXA
2009
Springer
15 years 10 months ago
2009
Springer
Tagging has become increasingly popular and useful across various social networks and applications. It allows users to classify and organize resources for improving the retrieval p...
144
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3DGIS
2006
Springer
15 years 10 months ago
2006
Springer
Database management systems (DBMS) have significantly changed in the last several years. From a system dealing with management of administrative data they have involved to a spati...
151
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ERLANG
2003
ACM
15 years 9 months ago
2003
ACM
The viability of implementing an in-memory database, Erlang ETS, using a relatively-new data structure, called a Judy array, was studied by comparing the performance of ETS tables...
134
Voted
SIGMOD
1997
ACM
15 years 8 months ago
1997
ACM
: The read-mostly environment of data warehousing makes it possible to use more complex indexes to speed up queries than in situations where concurrent updatesare present. The curr...