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A book containing references, alphabetically arranged, to the contents of a series or collection of documents or volumes; or a section (normally at the end) of a single volume or set of volumes containing such references to its contents.

Statistical indexes are also used to track or measure changes in the economy (for example, the Consumer Price Index) and movement in stock markets (for example, Standard & Poor's Index). Such indexes are usually keyed to a base year, month, or other period of comparison.

In mortgage financing, the term is used to determine adjustable-rate mortgage (ARM) interest rates after the discount period ends. Common indexes for ARMs are one-year Treasury Securities and the national average cost of funds to savings and loan associations.

West's Encyclopedia of American Law, edition 2. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
It can produce large quantization error when they are used to create multiple inverted files for large scale retrieval thus deteriorates the search performance.
The final L groups (quantizers) are termed as enhanced-multiple-quantizers (EMQs).After the L EMQs are built, they can be used to generate L inverted files when the database vectors are quantized.
Then, with the identified name or names, text retrieval can be efficiently performed using inverted file indexing.
Keywords: Index technique, Inverted files, Urdu Language, Urdu Stemmer, Morphological rules
This is a descriptive index which is stored in the form of inverted files. The index consists of an array of posting lists as in case of global large size index.
After this final step, the expanded, weighted query is searched against the inverted file of documents.
One way to improve inverted file compression is to use the cluster property [1] of document collection, which states that term occurrences are not uniformly distributed.
Compression brings considerable benefit to inverted file indexes, and it is natural to ask if the same improvements can be achieved with signature files.
In this proposal, the underlying inverted file index upon which the searching process rests would continue to retain all the index terms generated in the past by processing the full-text articles.
This type of heuristic is also of common use in inverted files when solving conjunctive queries [Baeza-Yates and Ribeiro-Neto 1999; Witten et al.