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Feature extraction

... In pattern recognition and in image processing, feature extraction is a special form of dimensionality reduction. ... [full article] (43 views)
This bookmark is tagged as: feature extraction | information extraction | dimension reduction | pattern recognition | image processing
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Bootstrapping Information Extraction from Semi-structured Web Pages

... We consider the problem of extracting structured records from semi-structured web pages with no human supervision required for each target web site. Previous work on this problem has either required significant human effort for each target site or used brittle heuristics to identify semantic data types. Our method only requires annotation for a few ... [full article] (57 views)
This bookmark is tagged as: video lectures | information extraction | web information extraction | technical lectures
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Learning Text Patterns for Web Information Extraction and Assessment

... Learning text patterns that suggest a desired type of information is a common strategy for extracting information from unstructured text on the Web. In this paper, we introduce the idea that learned patterns can be used as both extractors (to Extractors (increase ... [full article] (49 views)
This bookmark is tagged as: heuristic | web information extraction | learning text patterns | information extraction
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HTML::ContentExtractor - extract the main content from a web page by analysising the DOM tree!

... Web pages often contain clutter (such as ads, unnecessary images and extraneous links) around the body of an article that distracts a user from actual content. This module is used to reduce the noise content in web pages and thus identify the content rich regions. ... [full article] (62 views)
This bookmark is tagged as: extracting main content | content extraction | information extraction | algorithm
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Information extraction

... Information extraction (IE) is a type of information retrieval whose goal is to automatically extract structured information from unstructured machine-readable documents, generally human language texts by means of natural language processing (NLP). ... [full article] (38 views)
This bookmark is tagged as: information extraction | unstructured data | computer science
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