منابع مشابه
Incremental Maintenance Of Materialized XQuery Views by Maged F . El - Sayed A Dissertation Submitted
Keeping views fresh by maintaining the consistency between materialized views and their base data in the presence of base updates is a critical problem for many applications, including data warehousing and data integration. While heavily studied for traditional databases, the maintenance of XML views remains largely unexplored. Maintaining XML views is complex due to the richness of the XML dat...
متن کاملNajib M . El - Sayed , Etiologic Agent of Chagas Disease , Trypanosoma cruziThe Genome
http://www.sciencemag.org/cgi/content/full/309/5733/409 version of this article at: including high-resolution figures, can be found in the online Updated information and services, http://www.sciencemag.org/cgi/content/full/309/5733/409/DC1 can be found at: Supporting Online Material found at: can be related to this article A list of selected additional articles on the Science Web sites http://w...
متن کاملRupp and Sayed : Feedback and Robustness Analysis of Adaptive Algorithms
| This paper provides a time-domain feedback analysis of gradient-based adaptive schemes. A key emphasis is on the robustness performance of the adaptive lters in the presence of disturbances and modeling uncertainties (along the lines of H 1-theory and robust ltering). The analysis is carried out in a purely deterministic framework and assumes no prior statistical information or independence c...
متن کاملEl Cerebelo En El Autismo
Autism is considered as a neurodevelopmental disorder which affects boys more than girls, in a proportion 4:1 respectively. Autism presents neuroanatomical abnormalities located in the frontal cortex, the amygdala and the cerebellum. Autistic cerebellar postmortem studies have revealed a reduced number of Purkinje cells as well as a reduced Purkinje cell size when compared with non-autistic sub...
متن کاملExpectations of Returns and Expected Returns
We analyze time series of investor expectations of future stock market returns from six data sources between 1963 and 2011. The six measures of expectations are highly positively correlated with each other, as well as with past stock returns and with the level of the stock market. However, investor expectations are strongly negatively correlated with model-based expected returns. The evidence i...
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ژورنال
عنوان ژورنال: Nature Biotechnology
سال: 1993
ISSN: 1087-0156,1546-1696
DOI: 10.1038/nbt0893-879