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» On database query languages for K-relations
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SIGMOD
2007
ACM
162views Database» more  SIGMOD 2007»
14 years 9 months ago
Effective and efficient update of xml in RDBMS
Querying XML effectively and efficiently using declarative languages such as XQuery and XPath has been widely studied in both academic and industrial settings. Most RDBMS vendors ...
Zhen Hua Liu, Muralidhar Krishnaprasad, James W. W...
PODS
1994
ACM
138views Database» more  PODS 1994»
14 years 28 days ago
Dyn-FO: A Parallel, Dynamic Complexity Class
Traditionally, computational complexity has considered only static problems. Classical Complexity Classes such as NC, P, and NP are de ned in terms of the complexity of checking {...
Sushant Patnaik, Neil Immerman
TDM
2004
203views Database» more  TDM 2004»
13 years 10 months ago
Relational Algebra: Mother Tongue - XQuery: Fluent
This work may be seen as a further proof of the versatility of the relational database model. Here, we add XQuery to the catalog of languages which RDBMSs are able to "speak&...
Torsten Grust, Jens Teubner
SACMAT
2005
ACM
14 years 2 months ago
Relevancy based access control of versioned XML documents
Integration of version and access control of XML documents has the benefit of regulating access to rapidly growing archives of XML documents. Versioned XML documents provide us w...
Mizuho Iwaihara, Somchai Chatvichienchai, Chutipor...
CLEF
2005
Springer
14 years 2 months ago
BulQA: Bulgarian-Bulgarian Question Answering at CLEF 2005
This paper describes the architecture of a Bulgarian–Bulgarian question answering system — BulQA. The system relies on a partially parsed corpus for answer extraction. The que...
Kiril Ivanov Simov, Petya Osenova