USENIX Technical Program - Abstract - Domain-Specific Languages 99
Hancock: A Language for Processing Very Large-Scale Data
Dan Bonachea, University of California at Berkeley; Kathleen Fisher, Anne Rogers, AT&T Labs--Shannon Laboratory; and Frederick Smith, Cornell University
A signature is an evolving customer profile computed
from call records. AT&T uses signatures to detect fraud and to
target marketing. Code to compute signatures can be difficult to
write and maintain because of the volume of data. We have designed and
implemented Hancock, a C-based domain-specific programming language
for describing signatures. Hancock provides data abstraction
mechanisms to manage the volume of data and control abstractions to
facilitate looping over records. This paper describes the design and
implementation of Hancock, discusses early experiences with the
language, and describes our design process.
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