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» Querying Communities in Relational Databases
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ER
2000
Springer
122views Database» more  ER 2000»
15 years 2 months ago
Managing RDF Metadata for Community Webs
The need for descriptive information, i.e., metadata, about Web resources has been recognized in several application contexts (e.g., digital libraries, portals). The Resource Descr...
Sofia Alexaki, Vassilis Christophides, Gregory Kar...
211
Voted
KDID
2004
481views Database» more  KDID 2004»
15 years 9 days ago
Models and Indices for Integrating Unstructured Data with a Relational Database
Abstract. Database systems are islands of structure in a sea of unstructured data sources. Several real-world applications now need to create bridges for smooth integration of semi...
Sunita Sarawagi
DEXA
2005
Springer
123views Database» more  DEXA 2005»
15 years 4 months ago
Detecting Changes to Hybrid XML Documents Using Relational Databases
Abstract. Recent works in XML change detection have focused on detecting changes to ordered or unordered XML documents. However, in real life XML documents may not always be purely...
Erwin Leonardi, Sri L. Budiman, Sourav S. Bhowmick
99
Voted
DKE
2006
109views more  DKE 2006»
14 years 11 months ago
Xandy: A scalable change detection technique for ordered XML documents using relational databases
Previous work in change detection to XML documents is not suitable for detecting the changes to large XML documents as it requires a lot of memory to keep the two versions of XML ...
Erwin Leonardi, Sourav S. Bhowmick
SIGMOD
2008
ACM
145views Database» more  SIGMOD 2008»
15 years 11 months ago
Optimizing complex queries with multiple relation instances
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...
Yu Cao, Gopal C. Das, Chee Yong Chan, Kian-Lee Tan