On the last 28th August, 2015, I got ” Many Good Marks ” from the Chairman Sir of Asiatic, the President Sir of CanCham and the rest of Executive Director of CanCham for ” Design Database Interface Engine “
Absolutely, that’s my another one new job as an Application System Executive Support. Thanks To Allaah that gave me such type of position.
In addition, I’m achieving a great experience with Database Interface Design that more Interact with People, Focusing Behavior, Target Audience, Build Prototype, Analysis Business and Visual Design Experience.
Prototype system at the Open Compute Project summit meeting in San Jose, California, noting that it’s intended to store data that rarely needs to be accessed.
The Prototype storage system consists of an ordinary looking cabinet with stacks of Blu-ray discs inside. A robotic picker plucks a disc from a pile and moves it to one of the 16 Blu-ray burners so that data can be written to it.
Structured Text Collection
Challenge 1 (Information/Doc Unit): What is an appropriate information unit?– Document may no longer be the most natural unit – Components in a document or a whole Web site may be more appropriate Challenge 2 (Query): What is an appropriate query language? – Keyword (free text) query is no longer the only choice – Constraints on the structures can be posed (e.g., search in a particular field or matching a URL domain)
Challenge 3 (Retrieval Model): What is an appropriate model for STR?– Ranking vs. selection
- Boolean model may be more powerful with structures (e.g., domain constraints in Web search)
- But, ranking may still be desirable
- Text-based ranking preferences (traditional IR)
- Structure-based ranking preferences (e.g., PageRank)
- Structure-based constraints (traditional DB)
- Text-based constraints (e.g., )
- How to combine them?
Typology of Web Search Engines
Yahoo: yahoo always uses the directory base search service and search for directories
Google: Google uses a search engine, then web index. Google uses spider or robot in web index.
Meta Engine: A search engine that queries other search engines and then combines the results that are received from all. In effect, the user is not using just one search engine but a combination of many search engines at once to optimize Web searching. For example, Dogpile is a Metasearch engine.
A meta-search engine is a search tool that sends user requests to several other search engines and/or databases and aggregates the results into a single list or displays them according to their source. Metasearch engines enable users to enter search criteria once and access several search engines simultaneously. Metasearch engines operate on the premise that the Web is too large for any one search engine to index it all and that more comprehensive search results can be obtained by combining the results from several search engines. This also may save the user from having to use multiple search engines separately.
Component I: Crawler/Spider/Robot
Crawling strategy is a main research topic
Major Crawling Strategies
Dynamic Webpage must should have some features, Such as Like– HTML base – Header – Sequentially change the page and page elements – Electronic Mail always should be incoming and outgoing – Dynamic webpage has no unstructured database – Multimedia basis ( textual data, audio, video, image,…) – Universal coverage (can be about any content) – Structured data (HTML, tags, hyperlinks, etc..) Above info discussion by Zahidur Rahman, Ph.D. | Dean, BRAC University