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Albahli, Saleh M. – ProQuest LLC, 2016
The World Wide Web enables an easy, instant access to a huge quantity of information. Over the last few decades, a number of improvements have been achieved that helped the web reach its current state. However, the current Internet links documents together without understanding them, and thus, makes the content of web only human-readable rather…
Descriptors: Internet, Semantics, Information Retrieval, Web Sites
Sevensma, Kara – ProQuest LLC, 2013
In today's digital world the Internet is becoming an increasingly predominant resource for science information, rapidly eclipsing the traditional science textbook in content area classrooms (Lawless & Schrader, 2008). The shift challenges researchers, educators, administrators, and policy makers to reconsider what it means to read and…
Descriptors: Science Education, Secondary School Science, Secondary School Students, Grade 9
Zhao, Haifeng – ProQuest LLC, 2013
Social media provide a multitude of opportunities for knowledge contribution and sharing. However, the content reliability issue has caused comprehensive attention, especially on credible social media, such as Wikipedia. Despite Wikipedia's success with the open editing model, dissenting voices give rise to unreliable content due to two…
Descriptors: Conflict, Vandalism, Knowledge Representation, Cooperation
Steffens, Cortney Lyn – ProQuest LLC, 2012
The purpose of this study was to provide baseline information regarding the comprehension processes second graders use when reading informational text in print and online form. The study focused on informational text found in print, in closed hypertext Web sites, and during open Internet searches because academic success depends on the quick…
Descriptors: Case Studies, Reading Comprehension, Elementary School Students, Web Sites
Kim, Yong-Mi – ProQuest LLC, 2011
In recent years, tags have become a standard feature on a diverse range of sites on the Web, accompanying blog posts, photos, videos, and online news stories. Tags are descriptive terms attached to Internet resources. Despite the rapid adoption of tagging, how people use tags during the search process is not well understood. There is little…
Descriptors: Information Retrieval, Internet, Video Technology, Web Sites
Wichowski, Alexis M. – ProQuest LLC, 2010
Internet technology has provided people with unprecedented abilities to filter the information they encounter, leading many scholars to fear that people will be exposed to less diversity of perspectives and fragment into homogeneous interest groups. Exposure to a wide range of topics and perspectives about political information in particular is…
Descriptors: Interests, Internet, Technology, Data Collection
Dragut, Eduard Constantin – ProQuest LLC, 2010
An increasing number of Web sites expose their content via query interfaces, many of them offering the same type of products/services (e.g., flight tickets, car rental/purchasing). They constitute the so-called "Deep Web". Accessing the content on the Deep Web has been a long-standing challenge for the database community. For a user interested in…
Descriptors: Internet, Web Sites, Search Engines, Information Retrieval
Liu, Jiahui – ProQuest LLC, 2009
The web is a rich and diverse information source with incredible amounts of information about all kinds of subjects in various forms. This information source affords great opportunity to build systems that support users in their work and everyday lives. To help users explore information on the web, web search systems should find information that…
Descriptors: Online Searching, Web Sites, Search Engines, Information Systems
Shen, Warren H. – ProQuest LLC, 2009
This dissertation studies information extraction (IE), the problem of extracting structured information from unstructured data. Example IE tasks include extracting person names from news articles, product information from e-commerce Web pages, street addresses from emails, and names of emerging music bands from blogs. IE is all increasingly…
Descriptors: Information Retrieval, Access to Information, Data Processing, Pattern Recognition