Academic Qualifications Qualifications Details: Experience 31 years Experience Description: At present serving as HOD for the second term from
Google is designed to crawl and index the Web efficiently and produce much more satisfying search results than existing systems. The prototype with a full text and hyperlink database of at least Mixed methods phd thesis million pages is available at http: Search engines index tens to hundreds of millions of web pages involving a comparable number of distinct terms.
They answer tens of millions of queries every day. Despite the importance of large-scale search engines on the web, very little academic research has been done on them. Furthermore, due to rapid advance in technology and web proliferation, creating a web search engine today is very different from three years ago.
This paper provides an in-depth description of our large-scale web search engine -- the first such detailed public description we know of to date. Apart from the problems of scaling traditional search techniques to data of this magnitude, there are new technical challenges involved with using the additional information present in hypertext to produce better search results.
This paper addresses this question of how to build a practical large-scale system which can exploit the additional information present in hypertext.
Also we look at the problem of how to effectively deal with uncontrolled hypertext collections where anyone can publish anything they want. There are two versions of this paper -- a longer full version and a shorter printed version. The web creates new challenges for information retrieval.
The Mixed methods phd thesis of information on the web is growing rapidly, as well as the number of new users inexperienced in the art of web research.
People are likely to surf the web using its link graph, often starting with high quality human maintained indices such as Yahoo! Human maintained lists cover popular topics effectively but are subjective, expensive to build and maintain, slow to improve, and cannot cover all esoteric topics.
Automated search engines that rely on keyword matching usually return too many low quality matches. We have built a large-scale search engine which addresses many of the problems of existing systems.
It makes especially heavy use of the additional structure present in hypertext to provide much higher quality search results. We chose our system name, Google, because it is a common spelling of googol, or and fits well with our goal of building very large-scale search engines. As of November,the top search engines claim to index from 2 million WebCrawler to million web documents from Search Engine Watch.
It is foreseeable that by the yeara comprehensive index of the Web will contain over a billion documents. At the same time, the number of queries search engines handle has grown incredibly too. In NovemberAltavista claimed it handled roughly 20 million queries per day.
With the increasing number of users on the web, and automated systems which query search engines, it is likely that top search engines will handle hundreds of millions of queries per day by the year The goal of our system is to address many of the problems, both in quality and scalability, introduced by scaling search engine technology to such extraordinary numbers.
Fast crawling technology is needed to gather the web documents and keep them up to date. Storage space must be used efficiently to store indices and, optionally, the documents themselves.
The indexing system must process hundreds of gigabytes of data efficiently. Queries must be handled quickly, at a rate of hundreds to thousands per second.
These tasks are becoming increasingly difficult as the Web grows. However, hardware performance and cost have improved dramatically to partially offset the difficulty. There are, however, several notable exceptions to this progress such as disk seek time and operating system robustness.
In designing Google, we have considered both the rate of growth of the Web and technological changes. Google is designed to scale well to extremely large data sets.
It makes efficient use of storage space to store the index. Its data structures are optimized for fast and efficient access see section 4. Further, we expect that the cost to index and store text or HTML will eventually decline relative to the amount that will be available see Appendix B.
This will result in favorable scaling properties for centralized systems like Google. Insome people believed that a complete search index would make it possible to find anything easily.The main difference between inductive and deductive approaches to research is that whilst a deductive approach is aimed and testing theory, an inductive approach is concerned with the generation of new theory emerging from the data.
An exploratory mixed methods study was conducted to investigate potential differences in the pro-environmental values and beliefs of people from the UK Christian, Muslim and secular (non-religious) communities.
The vision of the Department of Mechanical Engineering, National Institute of Technology Silchar is as follows: To envisage an ambience of excellence, inspiring value based education, research and development in Mechanical Engineering with a commitment to train students with world-class competency and cutting-edge proficiency to face challenges of global market with confidence;.
The following guide will take you through some of the key issues when it comes to thesis editing for Masters and PhD students. Although it is Australian specific, the general principles apply everywhere. Research comprises "creative and systematic work undertaken to increase the stock of knowledge, including knowledge of humans, culture and society, and the use of this stock of knowledge to devise new applications." It is used to establish or confirm facts, reaffirm the results of previous work, solve new or existing problems, support theorems, or develop new theories.
Developing a Mixed Methods Proposal by Jessica T. DeCuir-Gunby and Paul A. Schutz is a practical, hands-on guide helps beginning researchers create a mixed methods research proposal for their dissertations, grants, or general research studies.
The book intertwines descriptions of the components of a research proposal (introduction, literature review, research methods.