Search engines play a crucial role in the Web. Without search engines large parts of the Web becomes inaccessible for the majority of users. Search engines can make new and smaller sites accessible at low cost. Without them, other media, such as Television, would be needed to advertise the existence new site on the Web, only large commercial sites can follow this path. The Web would be endanger...

This paper proposes a new method for open-vocabulary spoken-document retrieval based on query expansion using related Web documents. A large vocabulary continuous speech recognition (LVCSR) system first transcribes spoken documents into word sequences, which are then segmented into semantically cohesive units (i.e., stories) using a text segmentation technique. Given a text query word, Web docu...

Web personalization has become such a popular paradigm nowadays, that almost all e-commerce websites are including it in their websites. The main objective of web is driven by grouping similar pages. text categorization principle becomes challenge when daily users visit numerous This paper develops hybrid framework which categorizes the extracted from document, applying Neighbourhood Preserving...

XML is becoming the universal format for data exchange between applications. Recently, the use of XML documents, where some of the data is given explicitly, while other parts are de ned by programs that generate the relevant data, started gaining popularity [7, 8, 3]. We refer to such documents as intensional documents. We call Materialization the process of invoking some of the programs includ...

The number of World-Wide Web (WWW) documents available to users of the Internet is growing at an incredible rate. Therefore, it is becoming increasingly important to develop systems that aid users in searching, ltering, and retrieving information from the Internet. Currently, only a few prototype systems catalog and index images in Web documents. To greatly improve the cataloging and indexing o...

DescribeX: A Framework for Exploring and Querying XML Web Collections Flavio Rizzolo Doctor of Philosophy Graduate Department of Computer Science University of Toronto 2008 The nature of semistructured data in web collections is evolving. Even when XML web documents are valid with regard to a schema, the actual structure of such documents exhibits significant variations across collections for s...

Web outlier mining is dedicated for finding web pages which differ significantly from the rest of the web document taken from the same category. Most of the existing algorithms for web content outlier mining is developed for structured documents, whereas WWW contains mostly unstructured and semi structured documents. Moreover, the false positive rate in the existing algorithms for mining web co...