text indexing and retrieval

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• Text mining — Text mining, sometimes alternately referred to as text data mining , roughly equivalent to text analytics , refers generally to the process of deriving high quality information from text. High quality information is typically derived through the… …   Wikipedia

• Text Mining — Text Mining, seltener auch Textmining, Text Data Mining oder Textual Data Mining, ist ein Bündel von Analyseverfahren, die die algorithmusassistierte Entdeckung von Bedeutungsstrukturen aus un oder schwachstrukturierten Textdaten ermöglichen soll …   Deutsch Wikipedia

• Text Retrieval Conference — The Text REtrieval Conference (TREC) is an on going series of workshops focusing on a list of different information retrieval (IR) research areas, or tracks. It is co sponsored by the National Institute of Standards and Technology (NIST) and the… …   Wikipedia

• Information retrieval — This article is about information retrieval in general. For the fictional government department, see Brazil (film). Information retrieval (IR) is the area of study concerned with searching for documents, for information within documents, and for… …   Wikipedia

• Full text search — In text retrieval, full text search refers to a technique for searching a computer stored document or database. In a full text search, the search engine examines all of the words in every stored document as it tries to match search words supplied …   Wikipedia

• Concept based image indexing — Concept based image indexing, also variably named as “description based” or “text based” image indexing/retrieval, refers to retrieval from text based indexing of images that may employ keywords, subject headings, captions, or natural language… …   Wikipedia

• Geographic Information Retrieval — (GIR) or Geographical Information Retrieval is the augmentation of Information Retrieval with geographic metadata.Information Retrieval generally views documents as a collection or bag of words. In contrast Geographic Information Retrieval… …   Wikipedia

• Document retrieval — is defined as the matching of some stated user query against a set of free text records. These records could be any type of mainly unstructured text, such as newspaper articles, real estate records or paragraphs in a manual. User queries can… …   Wikipedia

• Content-based image retrieval — (CBIR), also known as query by image content (QBIC) and content based visual information retrieval (CBVIR) is the application of computer vision techniques to the image retrieval problem, that is, the problem of searching for digital images in… …   Wikipedia

• Subject indexing — is the act of describing a document by index terms to indicate what the document is about or to summarize its content. Indices are constructed, separately, on three distinct levels: terms in a document such as a book; objects in a collection such …   Wikipedia

• Knowledge retrieval — is a field of study which seeks to return information in a structured form, consistent with human cognitive processes as opposed to simple lists of data items. It draws on a range of fields including Epistemology (Theory of knowledge), Cognitive… …   Wikipedia