Sciweavers

347 search results - page 56 / 70
» Certain answers for XML queries
Sort
View
JUCS
2010
152views more  JUCS 2010»
13 years 3 months ago
Compositional Semantics of Dataflow Networks with Query-Driven Communication of Exact Values
: We develop and study the concept of dataflow process networks as used for example by Kahn to suit exact computation over data types related to real numbers, such as continuous fu...
Michal Konecný, Amin Farjudian
DASFAA
2007
IEEE
174views Database» more  DASFAA 2007»
14 years 2 months ago
Efficient Holistic Twig Joins in Leaf-to-Root Combining with Root-to-Leaf Way
Finding all the occurrences of a twig pattern on multiple elements in an XML document is a core operation for efficient evaluation of XML queries. Holistic twig join algorithms, Tw...
Guoliang Li, Jianhua Feng, Yong Zhang, Lizhu Zhou
SIGECOM
2006
ACM
155views ECommerce» more  SIGECOM 2006»
14 years 2 months ago
Incentives engineering for structured P2P systems - a feasibility demonstration using economic experiments
Structured peer-to-peer systems allow to administer large volumes of data. Several peers collaborate to generate a query result. Analyses of unstructured peer-to-peer systems, nam...
Stephan Schosser, Klemens Böhm, Rainer Schmid...
PODS
2006
ACM
196views Database» more  PODS 2006»
14 years 8 months ago
The containment problem for REAL conjunctive queries with inequalities
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
T. S. Jayram, Phokion G. Kolaitis, Erik Vee
ICDE
2010
IEEE
217views Database» more  ICDE 2010»
14 years 3 months ago
Toward industrial-strength keyword search systems over relational data
– Keyword search (KWS) over relational data, where the answers are multiple tuples connected via joins, has received significant attention in the past decade. Numerous solutions ...
Akanksha Baid, Ian Rae, AnHai Doan, Jeffrey F. Nau...