to discover the current situation and characteristics of web citations accessibility, the present study examined the accessibility of 4,253 web citations in six key iranian lis journals published from 2006 to 2010. the proportion percentage of web citations increased from 11% in 2006 to 30% in 2010. the most widely cited top level domains in urls include the .edu and .org with respectively 37% ...

The enormous growth of the World Wide Web in recent years has made it necessary to perform resource discovery efficiently. For a crawler it is not an simple task to download the domain specific web pages. This unfocused approach often shows undesired results. Therefore, several new ideas have been proposed, among them a key technique is focused crawling which is able to crawl particular topical...

Due to the huge amount of data published on the Web, the Web search process has become more difficult, and it is sometimes hard to get the expected results, especially when the users are less certain about their information needs. Several efforts have been proposed to support exploratory search on the web by using query expansion, faceted search, or supplementary information extracted from exte...

This paper presents a proposal for a system capable of retrieval information from the processes generated by the system Yacy. The information retrieved will be used in the generation of a knowledge base. This knowledge base may be used in the generation of semantic web applications.

librarians are frequently consulted about proper citation formats and support the use of pc-based personal bibliographic citation management programs, such as endnote, often used by faculty and graduate students. recently, free or inexpensive web-based tools have been developed that create citations and format bibliographies. an analysis of citations generated by these programs shows that they ...

introduction: in the age of information, in order for offering integrated library services to the users, librarians need to be knowledgable about new web technologies and their applications in library services, especially in medical areas.  this study investigates the level of knowledge and and usage of world wide web in library services among medical librarians in tehran. methods: the present ...

Commonsense is of primary interest to AI research since the inception of the field. Traditionally, commonsense knowledge is gathered by using humans to create and insert it in knowledge bases. Automating the collection of commonsense from text that is freely available can reduce the cost and effort of creating large knowledge bases and can enable systems that dynamically adapt to current releva...