Testing Event Discrimination over Broad Regions using the Historical Borovoye Observatory Explosion Dataset

Testing Event Discrimination over Broad Regions using the Historical Borovoye Observatory Explosion Dataset

We test the performance of high-frequency regional P/S discriminants to differentiate between earthquakes and explosions at test sites and over broad regions using a historical dataset of explosions recorded at the Borovoye observatory in Kazakhstan. We compare these explosions to modern recordings of earthquakes at the same location. We then evaluate the separation of the two types of events u...

Integrating The MACHO Dataset with the Virtual Observatory

A Virtual Observatory (VO) provides enhanced distributed access to online astronomical data­sets, and frequently incorporates data processing and visualisation facilities. Almost all critical aspects of data­grid research and technology are encountered when developing a Virtual Observatory. Issues include interoperability of data­sets and processing software, metadata format standardisation, an...

The Web Observatory: A Middle Layer for Broad Data.

Historical roots of Discrimination about Mawali during Caliphs’ Era

With the advent and spread of Islam, in addition to Arabs, people from other races and nations turned to Islam. Prejudices, ethnic and tribal affiliations, and blood ties among the pre-Islamic Arabs, on the one hand and on the other hand, the advent of Islam among Arabs brought about this idea among the Arabs after Islam that it appears that Arab Muslims were superior and first-class citizens w...

Database Research Faces the Information Explosion a Historical Perspective

These developments increase the signi cance of societal questions of privacy rights rights to review personal records intellectual property rights rights of universal access and so on while generating challenging technical problems in data storage organization and access Though the popular press often trumpets the dawn of a new information age it is instructive to consider the historical series...