Percent perfect performance (PPP)

An information retrieval performance measure that is interpreted as the percent of perfect performance (PPP) can be used to study the effects of the inclusion of specific document features or feature classes or techniques in an information retrieval system. Using this, one can measure the relative quality of a new ranking algorithm, the result of incorporating specific types of metadata or folksonomies from natural language, or determine what happens when one makes modifications to terms, such as stemming or adding part-of-speech tags. For example, knowledge that removing stopwords in a specific system improves the performance ¡£¢ of the way from the level of random performance to the best possible result is relatively easy to interpret and to use in decision making; using this percent based measure also allows us to simply compute and interpret that there remains ¤ ¡£¢ of the possible performance to be obtained using other methods. The PPP measure as used here is based on ...

• Type: Journal
• Year: 2007
• Where: IPM
• Authors: Robert M. Losee
• Keywords: Information Retrieval, IPM 2007, Performance, Retrieval Performance Measure