VLDB
13 years 10 months ago
2001 ACM 
Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s e...
VLDB
13 years 10 months ago
2001 ACM  VLDB
14 years 5 months ago
2001 ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessin...
VLDB
14 years 5 months ago
2001 ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessing...
VLDB
13 years 10 months ago
2001 ACM 
Queries navigate semistructured data via path expressions, and can be accelerated using an index. Our solution encodes paths as strings, and inserts those strings into a special i...
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Database