Search Results - "Park, Chang Sup"
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Efficient keyword search on graph data for finding diverse and relevant answers
Published in International journal of Web information systems (12-07-2023)“…Purpose This paper studies a keyword search over graph-structured data used in various fields such as semantic web, linked open data and social networks. This…”
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Effective keyword search on graph data using limited root redundancy of answer trees
Published in International journal of Web information systems (20-08-2018)“…PurposeThis paper aims to propose a new keyword search method on graph data to improve the relevance of search results and reduce duplication of content nodes…”
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Lineage Encoding: An Efficient Wireless XML Streaming Supporting Twig Pattern Queries
Published in IEEE transactions on knowledge and data engineering (01-07-2013)“…In this paper, we propose an energy and latency efficient XML dissemination scheme for the mobile computing. We define a novel unit structure called G-node for…”
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Does Too Much News on Social Media Discourage News Seeking? Mediating Role of News Efficacy Between Perceived News Overload and News Avoidance on Social Media
Published in Social media + society (01-07-2019)“…Drawing upon Bandura’s self-efficacy theory, this study conceptualizes “social media news efficacy” and examines how news efficacy connects perceived news…”
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Efficient execution of composite Web services exchanging intensional data
Published in Information sciences (01-01-2008)“…Web service technologies provide a standard means of integrating heterogeneous applications distributed over the Internet. Successive compositions of new Web…”
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Effective keyword query processing with an extended answer structure in large graph databases
Published in International journal of Web information systems (01-01-2014)“…Purpose - The paper aims to propose an effective method to process keyword-based queries over graph-structured databases which are widely used in various…”
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Efficient processing of keyword queries over graph databases for finding effective answers
Published in Information processing & management (01-01-2015)“…•We define a new measure of relevance of a node in the graph to a keyword query.•We propose an extended answer structure for a top-k query over graph…”
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Analysis of Ageism, Sexism, and Ableism in User Comments on YouTube Videos About Climate Activist Greta Thunberg
Published in Social media + society (01-07-2021)“…This study content analyzed 3,300 user comments from the 11 most-viewed YouTube videos about climate activist Greta Thunberg. The analysis reveals that about 4…”
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Citizen news podcasts and engaging journalism: The formation of a counter-public sphere in South Korea
Published in Pacific journalism review : PJR (01-07-2017)“…This study examines what roles citizen news podcasts of South Korea play, based on two unique concepts - carnivalism and engaging journalism. To this end, the…”
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Expanding Visibility on Twitter: Author and Message Characteristics and Retweeting
Published in Social media + society (01-04-2019)“…Retweeting is not simply to get messages out to new audiences, but also to validate and engage with others. Using a content analysis of 3,429 tweets about the…”
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Twitter and Encountering Diversity: The Moderating Role of Network Diversity and Age in the Relationship Between Twitter Use and Crosscutting Exposure
Published in Social media + society (01-07-2017)“…This article investigates whether Twitter use motivations relate to exposure to discordant information. To this end, this research conducted an online survey…”
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Finding an efficient rewriting of OLAP queries using materialized views in data warehouses
Published in Decision Support Systems (01-03-2002)“…OLAP queries involve a lot of aggregations on a large amount of data in data warehouses. To process expensive OLAP queries efficiently, we propose a new method…”
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Examination of smartphone dependence: Functionally and existentially dependent behavior on the smartphone
Published in Computers in human behavior (01-04-2019)“…The smartphone, through its small size, ease of use, proliferation of free or cheap apps, and constant connectivity, changes our life in a way that goes well…”
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14
Usability-based caching of query results in OLAP systems
Published in The Journal of systems and software (15-11-2003)“…In this paper we propose a new cache management scheme for online analytical processing (OLAP) systems based on the usability of query results in rewriting and…”
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Does Twitter motivate involvement in politics? Tweeting, opinion leadership, and political engagement
Published in Computers in human behavior (01-07-2013)“…► Twitter opinion leaders tend to seek information, mobilize, and express opinions publicly. ► Twitter opinion leadership leads to increased political…”
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An efficient void resolution method for geographic routing in wireless sensor networks
Published in The Journal of systems and software (01-06-2009)“…Geographic routing is an attractive choice for routing data in wireless sensor networks because of lightweight and scalable characteristics. Most geographic…”
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Why People Rely on Fact-Checkers? Testing Theses of "Perceived Severity of Fake News" and "Disappointment in News Media"
Published in Journalism studies (London, England) (02-01-2024)“…This study examines whether perceived severity of fake news and news media skepticism separately and/or jointly explain the use of and trust in fact-checkers…”
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Comparison of Objectivity, Transparency, Contextualization, and Trust Between Fact-Checking Sites and News Organizations
Published in Journalism practice (08-10-2024)Get full text
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Reading a Snippet on a News Aggregator vs. Clicking through the Full Story: Roles of Perceived News Importance, News Efficacy, and News-Finds-Me Perception
Published in Journalism studies (London, England) (18-08-2022)“…This study examines whether reading a news snippet on a news aggregator leads to reading the original story linked to the news producer. A panel survey of…”
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Learning Politics From Social Media: Interconnection of Social Media Use for Political News and Political Issue and Process Knowledge
Published in Communication studies (27-05-2019)“…Drawing on a national survey of 1,157 South Korean adults, the present study finds that social media use for political news is positively associated with…”
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