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bit map

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
bit map or bitĀ·map (btmp)
n. Computer Science
A set of bits that represents a graphic image, with each bit or group of bits corresponding to a pixel in the image.


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According to TeleGeography's GlobalComms database LAP Green acquired a 69% stake in Uganda Telecom (UTL) in April 2007 and six months later acquired an 80% interest in Rwandatel for USD100 million, beating rival offers from the likes of Vodacom, Celtel (now part of the Zain Group), V-Tel Holdings of Jordan, Bit Map (Singapore) and Rwanda\'s R-Com.
New Transactional Bit Map Indexing helps with complex queries with nonstandard data types such as graphics, images, DNA sequences, microarrays and time series data.
Comment: High performance analytics for data warehousing has been around for years, but the poor update performance of the bit map indexes used in warehousing applications has made them unusable in transaction processing environments The new Transactional Bit Map Indexing available in CACHE 5 will be especially useful for complex queries, such as DNA testing for infectious diseases, molecular oncology, mutational analysis, and human identity testing.
 
 
 
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