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» Querying Semi-Structured Data
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ICDE
2000
IEEE
158views Database» more  ICDE 2000»
14 years 9 months ago
Analyzing Range Queries on Spatial Data
Analysis of range queries on spatial (multidimensional) data is both important and challenging. Most previous analysis attempts have made certain simplifying assumptions about the...
Ji Jin, Ning An, Anand Sivasubramaniam
EDBT
2009
ACM
113views Database» more  EDBT 2009»
14 years 2 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
WIDM
2005
ACM
14 years 1 months ago
Query translation scheme for heterogeneous XML data sources
In order to formulate a meaningful XML query, a user must have some knowledge of the schema of the XML documents to be queried. The query will succeed only if the schema of the ac...
Cindy X. Chen, George A. Mihaila, Sriram Padmanabh...
WEBDB
2010
Springer
238views Database» more  WEBDB 2010»
13 years 11 months ago
An Agglomerative Query Model for Discovery in Linked Data: Semantics and Approach
Data on the Web is increasingly being used for discovery and exploratory tasks. Unlike traditional fact-finding tasks that require only the typical single-query and response parad...
Sidan Gao, Haizhou Fu, Kemafor Anyanwu
VLDB
1991
ACM
196views Database» more  VLDB 1991»
13 years 11 months ago
Kaleidoscope Data Model for An English-like Query Language
Most database interfaces provide poor guidance on ad hoc query formulation, burdening users to learn, and to recall precisely the query language and the database. Kaleidoscope avo...
Sang Kyun Cha, Gio Wiederhold