EAN: 9783319212562

SPRINGERBRIEFS IN COMPUTER SCIENCE OPERATORS ...

This book provides a comprehensive tutorial on similarity operators. The authors systematically
survey the set of similarity operators  primarily focusing on their semantics  while also
touching upon mechanisms for processing them effectively. The book starts off by providing
introductory material on similarity search systems  highlighting the central role of similarity
operators in such systems. This is followed by a systematic categorized overview of the variety
of similarity operators that have been proposed in literature over the last two decades 
including advanced operators such as RkNN  Reverse k-Ranks  Skyline k-Groups and K-N-Match.
Since indexing is a core technology in the practical implementation of similarity operators 
various indexing mechanisms are summarized. Finally  current research challenges are outlined 
so as to enable interested readers to identify potential directions for future investigations.
In summary  this book offers a comprehensive overview of the field of similarity search
operators  allowing readers to understand the area of similarity operators as it stands today 
and in addition providing them with the background needed to understand recent novel
approaches.

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