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VLDB
2004
ACM
124views Database» more  VLDB 2004»
14 years 3 months ago
Containment of Nested XML Queries
Query containment is the most fundamental relationship between a pair of database queries: a query Q is said to be contained in a query Q if the answer for Q is always a subset of...
Xin Dong, Alon Y. Halevy, Igor Tatarinov
EDBT
2009
ACM
113views Database» more  EDBT 2009»
14 years 4 months ago
Query ranking in probabilistic XML data
Twig queries have been extensively studied as a major fragment of XPATH queries to query XML data. In this paper, we study PXMLRANK query, (Q, k), which is to rank top-k probabili...
Lijun Chang, Jeffrey Xu Yu, Lu Qin
CHINAF
2008
87views more  CHINAF 2008»
13 years 9 months ago
A query index for continuous queries on RFID streaming data
Jaekwan Park, Bonghee Hong, ChaeHoon Ban
CIKM
2003
Springer
14 years 2 months ago
Queueing analysis of relational operators for continuous data streams
Currently, stream data processing is an active area of research, which includes everything from algorithms and architectures for stream processing to modelling and analysis of var...
Qingchun Jiang, Sharma Chakravarthy

Publication
244views
15 years 9 months ago
Phenomenon-aware Stream Query Processing
Spatio-temporal data streams that are generated from mobile stream sources (e.g., mobile sensors) experience similar environmental conditions that result in distinct phenomena. Sev...
M. H. Ali, Mohamed F. Mokbel, Walid G. Aref