INTRODUCTION A database is an organized collection of data, today typically in digital form. The concept of database has evolved since the 1960s to ease increasing difficulties in designing, building, and maintaining complex information systems.
GENERAL DATABASE The World Wide Web can be thought of as a database, spread across millions of independent computing systems. Web browsers "process" this data one page at a time, while web crawlers and other software provide the equivalent of database indexes to support search and other activities. The examples of general databases search engines are: GOOGLE YAHOO SLIKK SURF CANYON HAKIA
GOOGLE Google is the leading search engine used to search the web for information. It searches its database for relevant information, that satisfies the users query. It uses the simple search and advanced search features to search and retrieve the relevant information in the form of websites stored on its server.
GOOGLE SEARCH STRATEGY In simple search, the queries are accepted as a simple text, and the users text are broken up into a sequence of search terms, which are usually words that are to occur in the results. It has an „I am Feeling Lucky‟ icon, which leads the user to the first search result, bypassing the search engine results page.
GOOGLE SEARCH STRATEGY The advanced search has a number of features where the user can find pages by All the words, The exact word of phrase using quotes (“ ”), (OR) for any of the words.
GOOGLE SEARCH STRATEGY‣ Results can also be found using operators such as Minus sign (-) for excluding the term from the search result. Tilde sign (~) to search for synonymous terms. It is used to include similar words. An asterisk (*) for a placeholder for any unknown or "wildcard" term.
GOOGLE SEARCH STRATEGY The result can be narrowed using the option of: Language Time Region Last update Site or domain (.org or .edu) Where the terms are appearing (title, URL) Safe search (level of explicit sexual content) Reading level (show basic or advanced search) File type (pdf, powerpoint, etc) Usage rights (free to use or share, not filtered by licensing.
GOOGLE SEARCH STRATEGY Google allows the user to Find pages that are similar to or link to the URL using (related: ) option Search pages that one has visited with the help of the web history option. Customize the search settings (instant predictions, number of searches per page, blocking unwanted results).
GOOGLE SEARCH STRATEGY Retrieve sites that have images, See the reading level of the terms searched, Provides translated foreign pages, Allows verbatim and Provides a dictionary. There is an instant preview option in the form of arrows on the right hand side of each search result that allows the user to see what the webpage is like.
YAHOO Yahoo is the 2nd largest search directory on the web by query volume after Google. Yahoo! Search provides the ability to search across numerous vertical properties outside just the Web at large. These included Images, Videos, Local, Shopping, Yahoo! Answers, Audio, Directory, Jobs, News, Mobile, Tr avel and various other services. Yahoo! has a selection-based search feature called Yahoo! Shortcuts which is the fastest way to get all kinds of useful information by following certain instructions.
YAHOO SEARCH STRATEGY Yahoo provides basic and advanced search features to search the web, images, videos, blogs, directories, games, apps, movies, news, etc. The advance search features include searching by all words, the exact phrase, any of the words, none of the words in title or any part of the page. Site or domain File format Safe search filter Country Language Number of results per page
YAHOO SEARCH STRATEGY It allows the user to change their preferences such as: Search Direct: which allows user to get answers or suggestions as he/she types in the search box. Safe Search: restricts adult-oriented content from search results SearchScan: protects the computer and alerts the user by indicating harmful websites. Display & Layout: allows the user to change the look and feel of the search result page.
YAHOO SEARCH STRATEGY The option of search refinement is also provided in the form of filters: Filter By Time option, related searches, trending searches, related albums, related athletes, related points of interest, etc Related search links are displayed at the bottom of the results page. Each search result provides a cached link that gives a preview of the site after it was last modified.
SLIKK SEARCH STRATEGY SLIKK provides search results based on source material of the: Web Images News Video Blogs Twitter It takes results from either Google, Yahoo or Bing depending on the users customization.
SLIKK SEARCH STRATEGY Other search features include SearchBrowse, with which one can open three tabs simultaneously in the „child window‟. The source page, that the search result is pointing to can be opened in a small “child” window. This is not a preview, but the actual page. Multiple ” source pages” can be opened in a series of tabs. MyLink allows the user to add any link on the top of the search page such as gmail, myspace, etc.
SLIKK SEARCH STRATEGY MultiView, where a spilt screen is displayed to show two different groups of results. For example – “Web” search results on the left, and “Video” search results on the right LionView, which allows you to view all your open websites simultaneously with the click of a button. ShareIt allows one to share any type of search results with friends on Facebook or Twitter, and add any links one wants to the navigation menu.
SURF CANYON Surf Canyon is a browser extension that sits atop search engine sites like Google, Yahoo! and Bing. Surf Canyon develops "real-time personalized search," a technology that disambiguates the users intent post-query, and, in real time, brings forward to page one the relevant results that might otherwise remain buried. It has provision for refinement of the query typed in the search box.
SURF CANYON By transforming static lists of links into dynamic search pages that automatically re- rank results, users are able to more quickly and easily find pertinent information buried among the irrelevant results, significantly accelerating the search process. It also provides real time recommendations based on the users activity. On clicking the search result, it is directly opened in a new tab.
HAKIA The Hakia search engine uses the semantic search technology for searching. Semantic search technology is based on a computerized system that understands content and query similar to how the human brain processes natural languages. Semantic search systems match concepts and their meaningful variations
HAKIA It is focused on bringing quality results in all segments including Web, News, Blogs, hakia Galleries, Credible Sources, Video, and Images. Some segments are processed by hakias proprietary core semantic technology called QDEXing (Deep Semantics) Other segments are processed by hakias SemanticRank technology using third party API feeds (Surface Semantics).
COMPARISONS Google allows the user to categorize the search results as visited and not visited pages, websites translated from foreign languages and shows the reading level of the terms of search. The Slikk search engine allows the user to view and open the results on the same page. One can see the webpage without going to a new tab.
COMPARISONS Slikk also allows the user to view all the open search results in one window simultaneously, so that the user does not keep shuffling from one window or tab to the other. Surf canyon provides real time recommendations based on the users activities. It brings to the front the search results that are related to the links the user has opened.
COMPARISONS Hakia, unlike other search engines uses semantic search strategy, that processes the query and understands the content instead of matching the occurrence of words or symbols. It matches the concepts and their meaningful variations.