By Weiyi Meng, Clement Yu, M. Tamer Ozsu
One of the seek instruments at present on the net, se's are the main popular because of the recognition of significant se's similar to Google and Yahoo!. whereas super profitable, those significant se's do have critical obstacles. This e-book introduces large-scale metasearch engine know-how, which has the aptitude to beat the restrictions of the various search engines. basically, a metasearch engine is a seek method that helps unified entry to a number of latest se's through passing the queries it gets to its part se's and aggregating the again effects right into a unmarried ranked checklist. A large-scale metasearch engine has hundreds of thousands or extra part se's. whereas metasearch engines have been at first stimulated by means of their skill to mix the quest insurance of a number of se's, there also are different advantages resembling the capability to acquire larger and more energizing effects and to arrive the Deep net. the subsequent significant elements of large-scale metasearch engines can be mentioned intimately during this e-book: seek engine choice, seek engine incorporation, and outcome merging. hugely scalable and automatic recommendations for those parts are emphasised. The authors make a robust case for the viability of the large-scale metasearch engine know-how as a aggressive know-how for internet seek. desk of Contents: creation / Metasearch Engine structure / seek Engine choice / seek Engine Incorporation / outcome Merging / precis and destiny examine
Read or Download Advanced Metasearch Engine Technology PDF
Similar human-computer interaction books
The community financial system provides itself within the transactions of digital trade, finance, company, and communications. The community economic system is additionally a social of discontinuity, indefinite limits, and in-between areas. In Cornucopia restricted, Richard Coyne makes use of the liminality of layout -- its uneasy place among creativity and trade -- to discover the community economic system.
Writing for interplay specializes in the artwork of constructing the knowledge event because it seems to be inside software program and net purposes, in particular within the kind of person interface textual content. It additionally presents options for making sure a constant, confident info event throughout numerous supply mechanisms, resembling on-line support and social media.
This booklet constitutes the refereed lawsuits of the twenty third foreign convention on person Modeling, model and Personalization, UMAP 2015, held in Dublin, eire, in June/July 2015. The 25 lengthy and seven brief papers of the examine paper music have been rigorously reviewed and chosen from 112 submissions.
This booklet provides a framework for changing multitudes of information streams on hand this day together with climate styles, inventory costs, social media, site visitors info, and disorder incidents into actionable insights in response to state of affairs reputation. It computationally defines the thought of events as an abstraction of thousands of information issues into actionable insights, describes a computational framework to version and assessment such occasions and provides an open-source web-based method known as EventShop to enforce them with no necessitating programming services.
- Collaborative and Social Information Retrieval and Access: Techniques for Improved User Modeling
- Basic Model Theory
- Moderating Usability Tests: Principles and Practices for Interacting (Interactive Technologies)
- The Safety of Intelligent Driver Support Systems: Design, Evaluation and Social Perspectives (Human Factors in Road and Rail Transport)
Extra resources for Advanced Metasearch Engine Technology
05 ⎦ . 25)t , where Vt denotes the transpose of vector V . 316. Note that page c is pointed to by 2 pages, while each of the other pages is pointed to by 1 page only. As a result, the PageRank of c is higher than that of other pages. The reason why the rank of d is higher than that of page a or that of page b is that d is pointed at by the most important page, namely page c. PageRank is computed based on link information alone, and the contents of the Web pages are not considered. 3 are content-based similarities as they are computed based on the contents of the query and documents) for search engines to retrieve important and relevant Web pages for each query.
The second level is the actual documents. Even when two collections are on the same topic, they can still have totally different sets of documents. In general, the relationships among multiple document collections can be complicated because at both the topic level and the document level, they can have different degrees of overlaps. 2. Query Language. Each search engine supports a pre-defined set of query models, ranging from vector space model, Boolean model and proximity model to exact string match and numeric range match.
4 BOOK OVERVIEW The rest of the book will focus on advanced metasearch engine technology. We now provide a brief overview of each of the remaining chapters. Chapter 2 first provides an overview of the main components of a typical large-scale metasearch engine. Then this chapter will attempt to make a case for the metasearch engine technology as a viable alternative to major search engines based on a careful analysis of the advantages and disadvantages of both technologies. Finally, the Web environment in which metasearch engines will be built will be discussed to provide some insight to the challenges in building large-scale metasearch engines.