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» Efficiency of Nested Relational Document Database Systems
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SIGMOD
2005
ACM
154views Database» more  SIGMOD 2005»
16 years 1 months ago
Lazy XML Updates: Laziness as a Virtue of Update and Structural Join Efficiency
XML documents are normally stored as plain text files. Hence, the natural and most convenient way to update XML documents is to simply edit the text files. But efficient query eva...
Barbara Catania, Wen Qiang Wang, Beng Chin Ooi, Xi...
CIKM
2009
Springer
15 years 8 months ago
Evaluation of methods for relative comparison of retrieval systems based on clickthroughs
The Cranfield evaluation method has some disadvantages, including its high cost in labor and inadequacy for evaluating interactive retrieval techniques. As a very promising alter...
Jing He, Chengxiang Zhai, Xiaoming Li
VLDB
1991
ACM
220views Database» more  VLDB 1991»
15 years 4 months ago
A Performance Evaluation of Multi-Level Transaction Management
Multi-level transactions are a variant of open nested transactions in which the subtransactions correspond to operations at different levels of a layered system architecture. The ...
Christof Hasse, Gerhard Weikum
ICDM2
2004
Springer
196views Data Mining» more  ICDM2 2004»
15 years 6 months ago
An Early Warning System for Vehicle Related Quality Data
Vehicle production audit tests, warranty claims and car control unit data are stored in a central data warehouse for data mining analysis. Neural network based part failure rate es...
Matthias Grabert, Markus Prechtel, Tomas Hrycej, W...
ICDCS
2009
IEEE
14 years 11 months ago
Fragmentation Design for Efficient Query Execution over Sensitive Distributed Databases
The balance between privacy and utility is a classical problem with an increasing impact on the design of modern information systems. On the one side it is crucial to ensure that ...
Valentina Ciriani, Sabrina De Capitani di Vimercat...