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Karen M. Estlund – ProQuest LLC, 2021
The control of information is embedded in the cultural politics and institutions that regulate access to information. In its most basic form, communication is a practice of enabling the exchange of information. Websites have become one of the primary ways that people access information; however, most of the access is mediated through search…
Descriptors: Communications, Mass Media, Computer Mediated Communication, Social Media
Jiawen Zhu – ProQuest LLC, 2021
Social media with diverse functionalities enables people to communicate, make connections, exchange information, and transfer knowledge without time and location restrictions. The number of informal learning communities based on social media is growing, but the knowledge about how these communities work is still limited. Three main issues for…
Descriptors: Social Media, Informal Education, Communities of Practice, Web Sites
Dong, Hui – ProQuest LLC, 2010
In current Peer-to-Peer networks, distributed and semantic free indexing is widely used by systems adopting "Distributed Hash Table" ("DHT") mechanisms. Although such systems typically solve a. user query rather fast in a deterministic way, they only support a very narrow search scheme, namely the exact hash key match. Furthermore, DHT systems put…
Descriptors: Indexing, Online Searching, Search Strategies, Computer Networks
Araux, Jose Luis – ProQuest LLC, 2013
Purpose: The purpose of this study was to describe and analyze the conduct implications of qualified immunity in allegations of deprivation of civil rights by public school administrators regarding the First Amendment-student speech. Methodology: Data were collected using the LexisNexis and JuriSearch online legal research systems, which…
Descriptors: Freedom of Speech, Students, Constitutional Law, Court Litigation
Kramer-Duffield, Jacob – ProQuest LLC, 2010
Context: This dissertation examines beliefs and uses regarding tagging among current undergraduate students, and examines the ecology of communications practice and implications for formation and maintenance of identity within the population. Currently enrolled undergraduate students at UNC-Chapel Hill formed the population for examination. …
Descriptors: Undergraduate Students, Audiences, Interviews, Social Networks