-
Intelligent hypertext : Advanced techniques for the World Wide Web (1997)
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- Abstract
- This book constitutes a coherent anthology consisting of invited chapter-length papers on intelligent hypertext techniques with special emphasis on how to apply these techniques to the WWW. The book provides an introductory preface, chapters on information comprehension through hypertext, efficient techniques for adaptive hypermedia, annotated 3D environments on the Web, user models for customized hypertext, conceptual analysis of hypertext, two-level models of hypertext, the TELLTALE dynamic hypertext environment, hypertext for collaborative authoring, information retrieval and information agents
- LCSH
- World Wide Web (Information retrieval system)
- RSWK
- World wide web / Hypertext / Aufsatzsammlung (213)
- Subject
- World Wide Web (Information retrieval system)
World wide web / Hypertext / Aufsatzsammlung (213)
-
Fu, T.; Abbasi, A.; Chen, H.: ¬A focused crawler for Dark Web forums (2010)
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- Abstract
- The unprecedented growth of the Internet has given rise to the Dark Web, the problematic facet of the Web associated with cybercrime, hate, and extremism. Despite the need for tools to collect and analyze Dark Web forums, the covert nature of this part of the Internet makes traditional Web crawling techniques insufficient for capturing such content. In this study, we propose a novel crawling system designed to collect Dark Web forum content. The system uses a human-assisted accessibility approach to gain access to Dark Web forums. Several URL ordering features and techniques enable efficient extraction of forum postings. The system also includes an incremental crawler coupled with a recall-improvement mechanism intended to facilitate enhanced retrieval and updating of collected content. Experiments conducted to evaluate the effectiveness of the human-assisted accessibility approach and the recall-improvement-based, incremental-update procedure yielded favorable results. The human-assisted approach significantly improved access to Dark Web forums while the incremental crawler with recall improvement also outperformed standard periodic- and incremental-update approaches. Using the system, we were able to collect over 100 Dark Web forums from three regions. A case study encompassing link and content analysis of collected forums was used to illustrate the value and importance of gathering and analyzing content from such online communities.
- Source
- Journal of the American Society for Information Science and Technology. 61(2010) no.6, S.1213-1231
-
Barrio, P.; Gravano, L.: Sampling strategies for information extraction over the deep web (2017)
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- Abstract
- Information extraction systems discover structured information in natural language text. Having information in structured form enables much richer querying and data mining than possible over the natural language text. However, information extraction is a computationally expensive task, and hence improving the efficiency of the extraction process over large text collections is of critical interest. In this paper, we focus on an especially valuable family of text collections, namely, the so-called deep-web text collections, whose contents are not crawlable and are only available via querying. Important steps for efficient information extraction over deep-web text collections (e.g., selecting the collections on which to focus the extraction effort, based on their contents; or learning which documents within these collections-and in which order-to process, based on their words and phrases) require having a representative document sample from each collection. These document samples have to be collected by querying the deep-web text collections, an expensive process that renders impractical the existing sampling approaches developed for other data scenarios. In this paper, we systematically study the space of query-based document sampling techniques for information extraction over the deep web. Specifically, we consider (i) alternative query execution schedules, which vary on how they account for the query effectiveness, and (ii) alternative document retrieval and processing schedules, which vary on how they distribute the extraction effort over documents. We report the results of the first large-scale experimental evaluation of sampling techniques for information extraction over the deep web. Our results show the merits and limitations of the alternative query execution and document retrieval and processing strategies, and provide a roadmap for addressing this critically important building block for efficient, scalable information extraction.
- Source
- Information processing and management. 53(2017) no.2, S.309-331
-
Heyer, G.; Quasthoff, U.; Wolff, C.: Aiding Web searches by statistical classification tools (2000)
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- Abstract
- We describe an infrastructure for the collection and management of large amounts of text, and discuss the possibility of information extraction and visualisation from text corpora with statistical methods. The paper gives an overview of processing steps, the contents of our text databases as well as different query facilities. Our focus is on the extraction and visualisation of collocations and their usage for aiding web searches
-
Porterfield, K.W.: WWWW (what's a World Wide Web?) (1994)
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- Abstract
- World Wide Web (WWW) originated at CERN as a hypertext system to facilitate information sharing among the high energy physics community. Describes the basic features of WWW and concludes that its influence on Internet is likely to be great
- Source
- Internet world. 5(1994) no.3, S.20-22
-
Chen, H.; Chau, M.: Web mining : machine learning for Web applications (2003)
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- Abstract
- With more than two billion pages created by millions of Web page authors and organizations, the World Wide Web is a tremendously rich knowledge base. The knowledge comes not only from the content of the pages themselves, but also from the unique characteristics of the Web, such as its hyperlink structure and its diversity of content and languages. Analysis of these characteristics often reveals interesting patterns and new knowledge. Such knowledge can be used to improve users' efficiency and effectiveness in searching for information an the Web, and also for applications unrelated to the Web, such as support for decision making or business management. The Web's size and its unstructured and dynamic content, as well as its multilingual nature, make the extraction of useful knowledge a challenging research problem. Furthermore, the Web generates a large amount of data in other formats that contain valuable information. For example, Web server logs' information about user access patterns can be used for information personalization or improving Web page design.
- Source
- Annual review of information science and technology. 38(2004), S.289-330
-
Spertus, E.: ParaSite : mining structural information on the Web (1997)
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- Abstract
- Discusses the varieties of link information on the WWW, how the Web differs from conventional hypertext, and how the links can be exploited to build useful applications. Specific applications presented as part of the ParaSite system find individuals' homepages, new locations of moved pages and unindexed information
- Date
- 1. 8.1996 22:08:06
- Footnote
- Contribution to a special issue of papers from the 6th International World Wide Web conference, held 7-11 Apr 1997, Santa Clara, California
-
Ardo, A.; Lundberg, S.: ¬A regional distributed WWW search and indexing service : the DESIRE way (1998)
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- Abstract
- Creates an open, metadata aware system for distributed, collaborative WWW indexing. The system has 3 main components: a harvester (for collecting information), a database (for making the collection searchable), and a user interface (for making the information available). all components can be distributed across networked computers, thus supporting scalability. The system is metadata aware and thus allows searches on several fields including title, document author and URL. Nordic Web Index (NWI) is an application using this system to create a regional Nordic Web-indexing service. NWI is built using 5 collaborating service points within the Nordic countries. The NWI databases can be used to build additional services
- Date
- 1. 8.1996 22:08:06
- Footnote
- Contribution to a special issue devoted to the Proceedings of the 7th International World Wide Web Conference, held 14-18 April 1998, Brisbane, Australia
- Object
- Nordic Web Index
-
O'Kane, K.C.: World Wide Web-based information storage and retrieval (1996)
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- Abstract
- Describes the design and implementation of a system for computer generation of linked HTML documents to support information retrieval and hypertext applications on the WWW. The system does not require text query input, nor any client or host processing other than hypertext linkage. The goal is to construct a fully automatic system in which original text documents are read and processed by a computer program that generates HTML files, which can be used immediately by Web browsers to search and retrieve the original documents. A user with a large collection of information: for instance, newspaper articles; can feed these documents to this program and produce directly the necessary files to establish WWW home page and related pages, to support interactive retrieval and distribution of the original documents
- Date
- 1. 8.1996 22:13:07
-
Shukla, K.K.: Some AI techniques for information retrieval (1996)
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- Abstract
- Describes some of the state of the art techniques for online information retrieval over the Internet and provides some guidelines for the design of new intelligent search techniques. Esplains the architectures for the WAIS project, the Archie system, Gopher and the WWW. Presents an intelligent search algorithm and discusses Artificial Intelligence techniques for content based image retrieval using evolutionary programming for feature extraction and object recognition
- Source
- DESIDOC bulletin of information technology. 16(1996) no.4, S.13-18
-
Maier, W.: Schattenvolltexte zur Suche in Faksimiledatenbanken : Projektbeschreibung (2002)
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- Abstract
- Der vorliegende Aufsatz beschreibt die Realisierung eines SchattenvolltextSystems zur Verwendung als Ressource bei der Suche in Faksimiledatenbanken. Die Grundlage dazu bietet das Erweiterungsprojekt zum juristischen Web-Portal http://recht.makrolog.de. Der Schwerpunkt des Aufsatzes liegt auf derBeschreibung der technischen Realisierung des Projekts, und auf der Einordnung der Schattenvolltext-Technik in den Kontext des Information Retrieval.
- Source
- Information - Wissenschaft und Praxis. 53(2002) H.8, S.483-485
-
Susaki, S.; Muramoto, T.: Information sharing system on the WWW with interactive communication (1998)
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- Abstract
- Collaborative filtering systems on the WWW can lead to useful information. Describes an information sharing system based on the personal books which users store their interests. They can exchange this information to communicate with each other
- Date
- 1. 8.1996 22:08:06
- Footnote
- Contribution to a special issue devoted to the Proceedings of the 7th International World Wide Web Conference, held 14-18 April 1998, Brisbane, Australia
-
Nanfito, N.: ¬The indexed Web : engineering tools for cataloging, storing and delivering Web based documents (1999)
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- Date
- 5. 8.2001 12:22:47
- Source
- Information outlook. 3(1999) no.2, S.18-22
-
Brooks, C.; Schickler, M.A.; Mazer, M.S.: Pan-browser support for annotations and other meta-information on the World Wide Web (1996)
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- Abstract
- Describes an innovative approach for groups to create and share commentary about the content of documents accessible via the WWW. The system supports the creation, presentation, and control of user created meta information, which is displayed with the corresponding documents but stored separately from them. Describes design considerations, the system architecture, usage scenarios, initial implementations, and future word
- Date
- 1. 8.1996 22:08:06
-
Klic, L.; Miller, M.; Nelson, J.K.; Germann, J.E.: Approaching the largest 'API' : extracting information from the Internet with Python (2018)
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- Abstract
- This article explores the need for libraries to algorithmically access and manipulate the world's largest API: the Internet. The billions of pages on the 'Internet API' (HTTP, HTML, CSS, XPath, DOM, etc.) are easily accessible and manipulable. Libraries can assist in creating meaning through the datafication of information on the world wide web. Because most information is created for human consumption, some programming is required for automated extraction. Python is an easy-to-learn programming language with extensive packages and community support for web page automation. Four packages (Urllib, Selenium, BeautifulSoup, Scrapy) in Python can automate almost any web page for all sized projects. An example warrant data project is explained to illustrate how well Python packages can manipulate web pages to create meaning through assembling custom datasets.
-
Huang, C.-K.; Chien, L.-F.; Oyang, Y.-J.: Relevant term suggestion in interactive Web search based on contextual information in query session logs (2003)
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- Abstract
- This paper proposes an effective term suggestion approach to interactive Web search. Conventional approaches to making term suggestions involve extracting co-occurring keyterms from highly ranked retrieved documents. Such approaches must deal with term extraction difficulties and interference from irrelevant documents, and, more importantly, have difficulty extracting terms that are conceptually related but do not frequently co-occur in documents. In this paper, we present a new, effective log-based approach to relevant term extraction and term suggestion. Using this approach, the relevant terms suggested for a user query are those that cooccur in similar query sessions from search engine logs, rather than in the retrieved documents. In addition, the suggested terms in each interactive search step can be organized according to its relevance to the entire query session, rather than to the most recent single query as in conventional approaches. The proposed approach was tested using a proxy server log containing about two million query transactions submitted to search engines in Taiwan. The obtained experimental results show that the proposed approach can provide organized and highly relevant terms, and can exploit the contextual information in a user's query session to make more effective suggestions.
- Footnote
- Teil eines Themenheftes: "Web retrieval and mining: A machine learning perspective"
- Source
- Journal of the American Society for Information Science and technology. 54(2003) no.7, S.638-649
-
Handley, M.; Crowcroft, J.: ¬The world wide web : beneath the surf (1995)
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- LCSH
- World Wide Web (Information retrieval system)
- Subject
- World Wide Web (Information retrieval system)
-
Manger, J.J.: ¬The world wide web, Mosaic and more (1995)
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- LCSH
- World Wide Web (Information retrieval system)
- Subject
- World Wide Web (Information retrieval system)
-
Bradley, P.: Advanced Internet searcher's handbook (1998)
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- Footnote
- Rez. in: Information world review. 1999, no.146, S.26 (D. Parr)
- LCSH
- World Wide Web (Information retrieval system)
Information retrieval
- Subject
- World Wide Web (Information retrieval system)
Information retrieval
-
Romano, N.C.; Nunamaker, J.F.; Briggs, R.O.; Vogel, D.R.: Architecture. design, and development of an HTML / JavaScript Web-based group support system (1998)
0.03
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- Abstract
- This article describes the need for virtual workspaces and then discussed the architecture, design and development of GroupSystems for the WWW (GS-Web), and HTML / JavaSript Web-based Group Support System (GSS)
- Source
- Journal of the American Society for Information Science. 49(1998) no.7, S.649-667
