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» Indexing XML Data Stored in a Relational Database
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ICDE
2009
IEEE
156views Database» more  ICDE 2009»
15 years 11 months ago
Distributed Structural Relaxation of XPath Queries
Due to the structural heterogeneity of XML, queries are often interpreted approximately. This is achieved by relaxing the query and ranking the results based on their relevance to ...
Georgia Koloniari, Evaggelia Pitoura
DBPL
2003
Springer
109views Database» more  DBPL 2003»
15 years 3 months ago
Modelling Dynamic Web Data
We introduce the Xdπ calculus, a peer-to-peer model for reasoning about dynamic web data. Web data is not just stored statically. Rather it is referenced indirectly, for example ...
Philippa Gardner, Sergio Maffeis
DASFAA
2008
IEEE
188views Database» more  DASFAA 2008»
15 years 4 months ago
Summarization Graph Indexing: Beyond Frequent Structure-Based Approach
Graph is an important data structure to model complex structural data, such as chemical compounds, proteins, and XML documents. Among many graph data-based applications, sub-graph ...
Lei Zou, Lei Chen 0002, Huaming Zhang, Yansheng Lu...
SIGMOD
2008
ACM
143views Database» more  SIGMOD 2008»
15 years 10 months ago
XML query optimization in the presence of side effects
The emergence of database languages with side effects, notably for XML, raises significant challenges for database compilers and optimizers. In this paper, we extend an algebra fo...
Giorgio Ghelli, Nicola Onose, Kristoffer Hø...
CIS
2004
Springer
15 years 3 months ago
Fast Query Over Encrypted Character Data in Database
There are a lot of very important data in database, which need to be protected from attacking. Cryptographic support is an important mechanism of securing them. People, however, mu...
Zheng-Fei Wang, Jing Dai, Wei Wang 0009, Baile Shi