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» Answering order-based queries over XML data
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WAIM
2009
Springer
15 years 4 months ago
Probabilistic Threshold Range Aggregate Query Processing over Uncertain Data
Large amount of uncertain data is inherent in many novel and important applications such as sensor data analysis and mobile data management. A probabilistic threshold range aggrega...
Shuxiang Yang, Wenjie Zhang, Ying Zhang, Xuemin Li...
DEXA
2003
Springer
115views Database» more  DEXA 2003»
15 years 3 months ago
Storing and Querying XML Data in the Nested Relational Sequence Database System
Abstract. We developed the Nested Relational Sequence Database System (NRSD System), which is built upon the Nested Relational Sequence Model (NRSM). The NRSM eliminates a substant...
Ho Lam Lau, Wilfred Ng
PODS
2004
ACM
120views Database» more  PODS 2004»
15 years 10 months ago
Locally Consistent Transformations and Query Answering in Data Exchange
Data exchange is the problem of taking data structured under a source schema and creating an instance of a target schema. Given a source instance, there may be many solutions ? ta...
Marcelo Arenas, Pablo Barceló, Ronald Fagin...
DEXA
2003
Springer
149views Database» more  DEXA 2003»
15 years 3 months ago
Capturing Uncertainty in Spatial Queries over Imprecise Data
Emerging applications using miniature electronic devices (e.g., tracking mobile objects using sensors) generate very large amounts of highly dynamic data that poses very high overh...
Xingbo Yu, Sharad Mehrotra
ERCIMDL
2009
Springer
167views Education» more  ERCIMDL 2009»
15 years 4 months ago
A Compressed Self-indexed Representation of XML Documents
This paper presents a structure we call XML Wavelet Tree (XWT) to represent any XML document in a compressed and self-indexed form. Therefore, any query or procedure that could be ...
Nieves R. Brisaboa, Ana Cerdeira-Pena, Gonzalo Nav...