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125
Voted
EDBT
2002
ACM
16 years 21 days ago
2002
ACM
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
111
Voted
VLDB
2004
ACM
15 years 6 months ago
2004
ACM
Oracle XML DB integrates XML storage and querying using the Oracle relational and object relational framework. It has the capability to physically store XML documents by shredding...
145
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VLDB
2001
ACM
15 years 5 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...
191
Voted
SIGMOD
2007
ACM
16 years 22 days ago
2007
ACM
Querying XML effectively and efficiently using declarative languages such as XQuery and XPath has been widely studied in both academic and industrial settings. Most RDBMS vendors ...
105
Voted
VLDB
2007
ACM
15 years 6 months ago
2007
ACM
The general problem of answering top-k queries can be modeled using lists of data items sorted by their local scores. The most efficient algorithm proposed so far for answering to...