Results 201 to 210 of about 175,677 (257)

Harmonizing HIV-1 RNA laboratory measurements in a longitudinal cohort collaboration. [PDF]

open access: yesAm J Epidemiol
Lee JS   +21 more
europepmc   +1 more source

Data quality and data cleaning

Proceedings of the 2003 ACM SIGMOD international conference on Management of data, 2003
Data quality is a serious concern in any data-driven enterprise, often creating misleading findings during data mining, and causing process disruptions in operational databases. The manifestations of data quality problems can be very expensive- "losing" customers, "misplacing" billions of dollars worth of equipment, misallocated resources due to ...
Theodore Johnson, Tamraparni Dasu
openaire   +1 more source

Quality of cleaning quantified

Building and Environment, 1994
Abstract Guidelines for evaluating concentration of dust on non-textile furniture and floors, and carpets are suggested, based on a source control approach. They are based on experience from about 5000 single surface dust samples in Scandinavia, mainly from offices. A sampling strategy is formulated, and simple decision rules for compliance are given.
Thomas Schneider   +3 more
openaire   +1 more source

Cleaning uncertain data with quality guarantees

Proceedings of the VLDB Endowment, 2008
Uncertain or imprecise data are pervasive in applications like location-based services, sensor monitoring, and data collection and integration. For these applications, probabilistic databases can be used to store uncertain data, and querying facilities are provided to yield answers with statistical confidence. Given
Reynold Cheng, Jinchuan Chen, Xike Xie
openaire   +3 more sources

Cleaning up with quality

The TQM Magazine, 1991
The author identifies a link between the environment and the wider issue of corporate quality, based on ideas developed within TDG, the parent company for logistics and hire companies (transport companies) around much of the world. Argues that environmental good practice can be built into the activities of a company without additional bureauracracy ...
openaire   +1 more source

Quality Control in Soil Cleaning

1986
For quality control of cleaned soil the following points of procedure must be adhered to in the order given: 1. The quality of the bulk of a cleaned soil has to be defined. 2. The type of control procedure has to be laid down. 3. The demands of cleanness to be met by samples (as opposed to the bulk) have to be specified.
P. Defize, P. J. F. Nooijen, R. Bosman
openaire   +1 more source

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