87 search results - page 9 / 18 » Optimization and evaluation of shortest path queries |
IDEAS
2010
IEEE
13 years 5 months ago
2010
IEEE
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
ICDE
2003
IEEE
14 years 8 months ago
2003
IEEE
XKeyword provides efficient keyword proximity queries on large XML graph databases. A query is simply a list of keywords and does not require any schema or query language knowledg...
SDM
2012
SIAM
11 years 9 months ago
2012
SIAM
Network-analysis literature is rich in node-centrality measures that quantify the centrality of a node as a function of the (shortest) paths of the network that go through it. Exi...
BNCOD
2004
13 years 8 months ago
2004
Extending relational database functionality to include data mining primitives is one step towards the greater goal of more closely integrated database and mining systems. This pape...
AINA
2008
IEEE
14 years 1 months ago
2008
IEEE
This paper shows that the performance of peer-to-peer resource discovery algorithms is upper bounded by a k-Steiner minimum tree and proposes an algorithm locating near-optimal qu...