Proceedings 2003 VLDB Conference: 29th International Conference on Very Large Databases (VLDB)Morgan Kaufmann, 2003 M12 2 - 1050 pages Proceedings of the 29th Annual International Conference on Very Large Data Bases held in Berlin, Germany on September 9-12, 2003. Organized by the VLDB Endowment, VLDB is the premier international conference on database technology. |
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Page 38
... expression C1 > C2 where C1 and C2 are any two valid selection predicates on ... path expressions used in navigating and branching through the label ... path queries. Often, when navigating Web graphs, the ability to “bias” the choice of ...
... expression C1 > C2 where C1 and C2 are any two valid selection predicates on ... path expressions used in navigating and branching through the label ... path queries. Often, when navigating Web graphs, the ability to “bias” the choice of ...
Page 141
... path language such as XPath which operates on the tree structure of the XML ... expression; and this increases with the size of the source document. An ... (path) query evaluation, which usually takes a considerable share of the query ...
... path language such as XPath which operates on the tree structure of the XML ... expression; and this increases with the size of the source document. An ... (path) query evaluation, which usually takes a considerable share of the query ...
Page 153
... paths specified by the expressions. An XPath expression can be represented graphically by means of a tree pattern defining some structural properties of the nodes belonging to the specified path. Figure 1: An XML tree For instance ...
... paths specified by the expressions. An XPath expression can be represented graphically by means of a tree pattern defining some structural properties of the nodes belonging to the specified path. Figure 1: An XML tree For instance ...
Page 154
... path, and return the title of these books. This expression is equivalent to the following tree pattern: <bib<book<author- <title> Figure 2: A tree pattern The boxed node in the above tree pattern defines the output node (corresponding ...
... path, and return the title of these books. This expression is equivalent to the following tree pattern: <bib<book<author- <title> Figure 2: A tree pattern The boxed node in the above tree pattern defines the output node (corresponding ...
Page 191
... path expression in PL. We call path expressions without variable bindings variable-free path expressions. A variable-free path expression is a simple path if it does not contain “ss". Definition 2.1: An XFD q is of the following form ...
... path expression in PL. We call path expressions without variable bindings variable-free path expressions. A variable-free path expression is a simple path if it does not contain “ss". Definition 2.1: An XFD q is of the following form ...
Contents
17 | |
31 | |
Part 4 Industrial Sessions | 935 |
Part 5 Panels | 1041 |
Part 6 Demo Sessions | 1051 |
Author Index | 1153 |
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Proceedings 2003 VLDB Conference: 29th International Conference on Very ... VLDB No preview available - 2003 |
Common terms and phrases
ACM SIGMOD algorithm applications approach attribute average bisimulation bucket buffer cache misses clustering compressed compute Conf constraints contains context nodes corresponding cost Data Bubble data mining data set data stream database systems DBLP defined denote distance distributed edge efficient elements engine estimation evaluation example execution experiments Figure function global graph hash join hash table histograms ICDE implementation input integration interface join join algorithm load matching merge algorithm method micro-clusters MJoin operator optimization output PAC-Man Pagerank parameter partition path expression performance predicate probe problem Proc query optimization query plan query processing ranking relation repository retrieval rithm scalability scan schema Section selection semantics sequence server shows SIGMOD storage stored structure subtree techniques tion tree pattern tuples Unicode update VLDB Web.Views window workload XFDs XML document XML query XPath