0 a computer program that uses a set of mathematical instructions or rules to find information on the internet or within a database:
The speed with which your results appear can be attributed in part to the efficiency of our search algorithm.
Designed specifically as a computer-based reference, it uses a unique phonetic search algorithm to find misspelled words.
The increased frequency of the expression could simply reflect the increased size of the database, or modifications to the search algorithm.
If Google's search algorithms were known, he argues, people would game the system.