Page History

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Comment:

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comment comment

High level information associated with a file or data set left by users.

Content Based Retrieval:

Content Management System (CMS):

Data Extraction:

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extraction extraction

  A transformation that creates new data from the given data.  An example would be the execution of analysis code on an image file's contents to determine if a face is in the iamge.  Clowder utilizes extractions to automatically generate metadata, signatures, and previews from a file's contents and provide users with means of finding, relating, and utilizing data that may be difficult otherwise.

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Metadata:

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metadata metadata

Simply data about data (e.g. tags or keywords).

Preview:

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preview preview

Derived data from a file or data set which is easier for a user to view, perhaps over the web where bandwidth is a consideration.

Section:

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section section

A subset of a files contents (e.g. a sub-image, a line from a document, a frame from a video, etc...).  A sections is tied to a file.

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Tag:

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tag tag

A short string, e.g. one or two words, associated with a file or data set used to categorize or index its contents.

Technical Metadata:

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technical_metadata technical_metadata

Automatically generated tags, signatures, or previews produced from extractors.

User Metadata:

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user_metadata user_metadata

Tags or comments associated with file or data set, entered by a human user.

Versus:

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versus versus

A framework for decomposing content based comparisons into reusable parts that can be mixed and matched to meet a variety of user needs when content based indexing and retrieval is a viable means of allowing users to search a collection of data.

Versus Metadata:

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versus_metadata versus_metadata

Signatures, typically numerical in nature, generated by versus to represent some semantic aspect of a files contents.  Used for content based retreival.