Sciweavers

721 search results - page 112 / 145
» Supporting top-k join queries in relational databases
Sort
View
CAISE
2003
Springer
15 years 2 months ago
Introducing Custom Language Extensions to SQL: 1999
Abstract. Even though SQL has become widely accepted as a language for implementing relational database schemas and querying data, there are cases where s experience the need for n...
Jernej Kovse, Wolfgang Mahnke
PODS
2007
ACM
159views Database» more  PODS 2007»
15 years 9 months ago
Generalized hypertree decompositions: np-hardness and tractable variants
The generalized hypertree width GHW(H) of a hypergraph H is a measure of its cyclicity. Classes of conjunctive queries or constraint satisfaction problems whose associated hypergr...
Georg Gottlob, Thomas Schwentick, Zoltán Mi...
KDD
1997
ACM
213views Data Mining» more  KDD 1997»
15 years 1 months ago
A Probabilistic Approach to Fast Pattern Matching in Time Series Databases
Theproblemof efficiently and accurately locating patterns of interest in massivetimeseries data sets is an important and non-trivial problemin a wide variety of applications, incl...
Eamonn J. Keogh, Padhraic Smyth
SIGMOD
2005
ACM
136views Database» more  SIGMOD 2005»
15 years 9 months ago
Peer-to-peer management of XML data: issues and research challenges
Peer-to-peer (p2p) systems are attracting increasing attention as an efficient means of sharing data among large, diverse and dynamic sets of users. The widespread use of XML as a...
Georgia Koloniari, Evaggelia Pitoura
DEXA
2007
Springer
96views Database» more  DEXA 2007»
15 years 3 months ago
Data Management in RFID Applications
Nowadays, RFID applications have attracted a great deal of interest due to their increasing adoptions in supply chain management, logistics and security. They have posed many new c...
Dan Lin, Hicham G. Elmongui, Elisa Bertino, Beng C...