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» Conceptual modeling of XML data
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ICDE
2008
IEEE
218views Database» more  ICDE 2008»
15 years 11 months ago
AxPRE Summaries: Exploring the (Semi-)Structure of XML Web Collections
The nature of semistructured data in web collections is evolving. Increasingly, XML web documents (or documents exchanged via web services) are valid with regard to a schema, yet ...
Mariano P. Consens, Flavio Rizzolo, Alejandro A. V...
SIGMOD
2004
ACM
198views Database» more  SIGMOD 2004»
15 years 10 months ago
Secure XML Querying with Security Views
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
Wenfei Fan, Chee Yong Chan, Minos N. Garofalakis
DASFAA
2009
IEEE
253views Database» more  DASFAA 2009»
15 years 1 months ago
Implementing and Optimizing Fine-Granular Lock Management for XML Document Trees
Abstract. Fine-grained lock protocols with lock modes and lock granules adjusted to the various XML processing models, allow for highly concurrent transaction processing on XML tre...
Sebastian Bächle, Theo Härder, Michael P...
DOLAP
2008
ACM
14 years 11 months ago
Bridging the semantic gap in OLAP models: platform-independent queries
The development of data warehouses is based on a threestage process that starts specifying both the static and dynamic properties of on-line analytical processing (OLAP) applicati...
Jesús Pardillo, Jose-Norberto Mazón,...
SYRCODIS
2008
138views Database» more  SYRCODIS 2008»
14 years 11 months ago
Co-evolution Model for Data Sources and Views
ETL process evolution is investigated below. A model-driven approach to templates and ETL process evolution problem is developed. We suppose that the ETL process evolution probain...
Alexander Dolnik, Sergei Syntulskiy