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FCS
2006
15 years 8 months ago
Formal Representation and Transformation of DTDs to Sem-ODM Semantic Schemas
Abstract. Many projects have investigated the issue of storing XML in traditional database systems and exporting data in traditional databases as XML documents. However, they paid ...
Li Yang, Naphtali Rishe
SIS
2004
15 years 8 months ago
Efficient Tree Search in Encrypted Data
Abstract. Sometimes there is a need to store sensitive data on an untrusted database server. Song, Wagner and Perrig have introduced a way to search for the existence of a word in ...
Richard Brinkman, Ling Feng, Jeroen Doumen, Pieter...
SIGMOD
2010
ACM
364views Database» more  SIGMOD 2010»
15 years 11 months ago
Optimizing schema-last tuple-store queries in graphd
Current relational databases require that a database schema exist prior to data entry and require manual optimization for best performance. We describe the query optimization tech...
Scott M. Meyer, Jutta Degener, John Giannandrea, B...
DATESO
2010
153views Database» more  DATESO 2010»
15 years 4 months ago
Answering Metric Skyline Queries by PM-tree
Abstract. The task of similarity search in multimedia databases is usually accomplished by range or k nearest neighbor queries. However, the expressing power of these "single-...
Tomás Skopal, Jakub Lokoc
ICEBE
2005
IEEE
168views Business» more  ICEBE 2005»
16 years 15 days ago
Frequency Operators for Condensative Queries over Data Streams
Over a traditional Database Management System (DBMS), the answer to an aggregate query is usually much smaller than the answer to a similar nonaggregate query. Therefore, we call ...
Lisha Ma, Werner Nutt