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» Answering order-based queries over XML data
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DLOG
2006
14 years 11 months ago
Data Complexity of Answering Unions of Conjunctive Queries in SHIQ
The novel context of accessing and querying large data repositories through ontologies that are formalized in terms of expressive DLs requires on the one hand to consider query an...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter
ICDE
2007
IEEE
141views Database» more  ICDE 2007»
15 years 4 months ago
Self Managing Top-k (Summary, Keyword) Indexes in XML Retrieval
Retrieval queries that combine structural constraints with keyword search represent a significant challenge to XML data management systems. Queries are expected to be answered as...
Mariano P. Consens, Xin Gu, Yaron Kanza, Flavio Ri...
ICDE
2003
IEEE
139views Database» more  ICDE 2003»
15 years 11 months ago
Super-Fast XML Wrapper Generation in DB2: A Demonstration
The XML Wrapper is a new feature of the federated database capabilities of DB2/UDB v8. It enables users and applications to issue SQL queries against XML data from a variety of so...
Vanja Josifovski, Sabine Massmann, Felix Naumann
PVLDB
2010
123views more  PVLDB 2010»
14 years 8 months ago
Toward Scalable Keyword Search over Relational Data
Keyword search (KWS) over relational databases has recently received significant attention. Many solutions and many prototypes have been developed. This task requires addressing ...
Akanksha Baid, Ian Rae, Jiexing Li, AnHai Doan, Je...
SIGMOD
2001
ACM
95views Database» more  SIGMOD 2001»
15 years 10 months ago
Updating XML
As XML has developed over the past few years, its role has expanded beyond its original domain as a semantics-preserving markup language for online documents, and it is now also t...
Igor Tatarinov, Zachary G. Ives, Alon Y. Halevy, D...