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» Foundations of Semantic Web Databases
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DASFAA
2010
IEEE
425views Database» more  DASFAA 2010»
13 years 11 months ago
FlexTable: Using a Dynamic Relation Model to Store RDF Data
Efficient management of RDF data is an important factor in realizing the Semantic Web vision. The existing approaches store RDF data based on triples instead of a relation model. I...
Yan Wang, Xiaoyong Du, Jiaheng Lu, Xiaofang Wang
IDEAS
1999
IEEE
101views Database» more  IDEAS 1999»
13 years 11 months ago
Integration of Semistructured Data with Partial and Inconsistent Information
Data integration of several sources has gained considerable attentions with the recent popularity of the Web. In the real world, some information may be missing i.e., partial and ...
Mengchi Liu, Tok Wang Ling, Tao Guan
DOOD
1995
Springer
124views Database» more  DOOD 1995»
13 years 10 months ago
Querying Semistructured Heterogeneous Information
Abstract. Semistructured data has no absolute schema xed in advance and its structure may be irregular or incomplete. Such data commonly arises in sources that do not impose a rigi...
Dallan Quass, Anand Rajaraman, Yehoshua Sagiv, Jef...
MEDINFO
2007
116views Healthcare» more  MEDINFO 2007»
13 years 8 months ago
Knowledge-Level Querying of Temporal Patterns in Clinical Research Systems
Managing time-stamped data is essential to clinical research activities and often requires the use of considerable domain knowledge, which is difficult to support within database ...
Martin J. O'Connor, Ravi D. Shankar, David B. Parr...
IJSWIS
2008
135views more  IJSWIS 2008»
13 years 6 months ago
Efficient Processing of RDF Queries with Nested Optional Graph Patterns in an RDBMS
Relational technology has shown to be very useful for scalable Semantic Web data management. Numerous researchers have proposed to use RDBMSs to store and query voluminous RDF dat...
Artem Chebotko, Shiyong Lu, Mustafa Atay, Farshad ...