Proximity-Based Good Turing Discounting and Kernel Functions for Pseudo-Relevance Feedback

Author(s):  
Ilyes Khennak ◽  
Bab Ezzouar

During the last few years, it has become abundantly clear that the technological advances in information technology have led to the dramatic proliferation of information on the web and this, in turn, has led to the appearance of new words in the Internet. Due to the difficulty of reaching the meanings of these new terms, which play an essential role in retrieving the desired information, it becomes necessary to give more importance to the sites and topics where these new words appear, or rather, to give value to the words that occur frequently with them. For this purpose, in this paper, the authors propose a new robust correlation measure that assesses the relatedness of words for pseudo-relevance feedback. It is based on the co-occurrence and closeness of terms, and aims to select the appropriate words that best capture the user information need. Extensive experiments have been conducted on the OHSUMED test collection and the results show that the proposed approach achieves a considerable performance improvement over the baseline.

2017 ◽  
Vol 7 (3) ◽  
pp. 1-21
Author(s):  
Ilyes Khennak ◽  
Habiba Drias

During the last few years, it has become abundantly clear that the technological advances in information technology have led to the dramatic proliferation of information on the web and this, in turn, has led to the appearance of new words in the Internet. Due to the difficulty of reaching the meanings of these new terms, which play an essential role in retrieving the desired information, it becomes necessary to give more importance to the sites and topics where these new words appear, or rather, to give value to the words that occur frequently with them. For this purpose, in this paper, the authors propose a new robust correlation measure that assesses the relatedness of words for pseudo-relevance feedback. It is based on the co-occurrence and closeness of terms, and aims to select the appropriate words that best capture the user information need. Extensive experiments have been conducted on the OHSUMED test collection and the results show that the proposed approach achieves a considerable performance improvement over the baseline.


Author(s):  
Muchammad Ismail Hamzah

In accordance with the technological advances of web-based information delivery via the internet has more value, because the information can be delivered easily, quickly,  spacious and interactive. Because this way, information is simply inserted into the web and within seconds the information can be accessed globally.  Submission of this information has not been used in Ngebruk Islamic Junior High School, Sumberpucung District, Malang Regency. Submission of the information in these schools still use manual way, such as by mail, bulletin boards, or orally. Surely this way less effective and efficient, since it requires a lot of expenses such as the purchase of paper, printing machine and maintenance, ink, and its scope was limited to the scope of the school.To reduce the above problems, the delivery of information in this school need to use web media created with the PHP programming language and MySQL. PHP is a programming language that is used to allow users to process information on the web, while MySQL is the software used to store the information on the web. Once the web is run online, the school entered information to the web, can be accessed via intenet by anyone without the limited space and time


Author(s):  
Reinaldo Padilha França ◽  
Ana Carolina Borges Monteiro ◽  
Rangel Arthur ◽  
Yuzo Iano

The Semantic Web concept is an extension of the web obtained by adding semantics to the current data representation format. It is considered a network of correlating meanings. It is the result of a combination of web-based conceptions and technologies and knowledge representation. Since the internet has gone through many changes and steps in its web versions 1.0, 2.0, and Web 3.0, this last call of smart web, the concept of Web 3.0, is to be associated with the Semantic Web, since technological advances have allowed the internet to be present beyond the devices that were made exactly with the intention of receiving the connection, not limited to computers or smartphones since it has the concept of reading, writing, and execution off-screen, performed by machines. Therefore, this chapter aims to provide an updated review of Semantic Web and its technologies showing its technological origins and approaching its success relationship with a concise bibliographic background, categorizing and synthesizing the potential of technologies.


Author(s):  
Epi Ludvik Nekaj

A digital transformation is underway. One that is redefining the essence of human interaction and with ideas, share unused resources and create new on-demand services that are customisable and unique. These are only a few examples of real productivity that when layered on the Internet creates an abundance of resources and opportunity. This people-powered abundance is called the crowd economy. It is the way the society lives, works and plays. There is a new paradigm shift that challenges traditional notions of the “norm” while expanding possibilities. The hallmark of the digital age is social connections that are boosted by the web and mobile networks. These technological advances have taken collaboration and cooperation to a level never seen before. Social connections through the web have gone beyond social media likes and shares and has evolved into social productivity - a phenomenon that arises when networked crowds collaborate to solve problems, raise funds, and come up with innovative ideas and solutions.


2005 ◽  
Vol 2 (5) ◽  
Author(s):  
Gary Saunders ◽  
Jean Price

Use of the Internet continues to increase, and new technology continues to provide more and better communication options.  As more and more students choose to enroll in Internet courses (e-courses), technological advances offer various ways to control academic dishonesty.  A questionnaire was developed and distributed to chairpersons of accounting departments to obtain their views about the use of several technological enhancements that could serve as controls in e-courses.  Such controls would require that some of these newer physical enhancements be on students’ computers when they register for an e-course.  Respondents strongly favored requiring students to provide a digital photo ID and audio capabilities when registering for an e-course.  Other potential controls were not supported.  Those surveyed also tended to believe that students should use a web cam when completing examinations on-line and that faculty should compare the photo ID with the web cam image.  In other settings, they felt that such a comparison was unnecessary.  Overall, the accounting department heads surveyed endorsed requiring the student who enrolls in an e-course to obtain some existing technology, and they expect the student to be prepared to spend more than $100 to obtain the technology.


2022 ◽  
Vol 12 (1) ◽  
pp. 0-0

In this paper, the authors propose and readapt a new concept-based approach of query expansion in the context of Arabic information retrieval. The purpose is to represent the query by a set of weighted concepts in order to identify better the user's information need. Firstly, concepts are extracted from the initially retrieved documents by the Pseudo-Relevance Feedback method, and then they are integrated into a semantic weighted tree in order to detect more information contained in the related concepts connected by semantic relations to the primary concepts. The authors use the “Arabic WordNet” as a resource to extract, disambiguate concepts and build the semantic tree. Experimental results demonstrate that measure of MAP (Mean Average Precision) is about 10% of improvement using the open source Lucene as IR System on a collection formed from the Arabic BBC news.


Author(s):  
Epi Ludvik Nekaj

A digital transformation is underway. One that is redefining the essence of human interaction and with ideas, share unused resources and create new on-demand services that are customisable and unique. These are only a few examples of real productivity that when layered on the Internet creates an abundance of resources and opportunity. This people-powered abundance is called the crowd economy. It is the way the society lives, works and plays. There is a new paradigm shift that challenges traditional notions of the “norm” while expanding possibilities. The hallmark of the digital age is social connections that are boosted by the web and mobile networks. These technological advances have taken collaboration and cooperation to a level never seen before. Social connections through the web have gone beyond social media likes and shares and has evolved into social productivity - a phenomenon that arises when networked crowds collaborate to solve problems, raise funds, and come up with innovative ideas and solutions.


Author(s):  
Bijan B. Gillani

The explosive growth of the Internet and the dramatic advances in the design and development of online technological tools in recent years have revolutionized the way students and teachers view technology in education. These technical advances have made it possible to produce educational materials and transmit them over the Web. Parallel to these technological advances, the field of instructional design has made phenomenal contributions to curriculum planning. A synergy of these two fields would enable educators to produce effective electronic educational materials.


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