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Article
Publication date: 7 August 2018

Jae Kyeong Kim, Hyun Sil Moon, Byong Ju An and Il Young Choi

Many off-line retailers have experienced a slump in sales and have the potential risk of overstock or understock. To overcome these problems, retailers have applied data mining…

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Abstract

Purpose

Many off-line retailers have experienced a slump in sales and have the potential risk of overstock or understock. To overcome these problems, retailers have applied data mining techniques, such as association rule mining or sequential association rule mining, to increase sales and predict product demand. However, because these techniques cannot generate shopper-centric rules, many off-line shoppers are often inconvenienced after writing their shopping lists carefully and comprehensively. Therefore, the purpose of this paper is to propose a personalized recommendation methodology for off-line grocery shoppers.

Design/methodology/approach

This paper employs a Markov chain model to generate recommendations for the shopper’s next shopping basket. The proposed methodology is based on the knowledge of both purchased products and purchase sequences. This paper compares the proposed methodology with a traditional collaborative filtering (CF)-based system, a bestseller-based system and a Markov-chain-based system as benchmark systems.

Findings

The proposed methodology achieves improvements of 15.87, 14.06 and 37.74 percent with respect to the CF-, Markov chain-, and best-seller-based benchmark systems, respectively, meaning that not only the purchased products but also the purchase sequences are important elements in the personalization of grocery recommendations.

Originality/value

Most of the previous studies on this topic have proposed on-line recommendation methodologies. However, because off-line stores collect transaction data from point-of-sale devices, this research proposes a methodology based on purchased products and purchase patterns for off-line grocery recommendations. In practice, this study implies that both purchased products and purchase sequences are viable elements in off-line grocery recommendations.

Details

Online Information Review, vol. 42 no. 4
Type: Research Article
ISSN: 1468-4527

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Publication date: 9 May 2022

Tobin Im

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Transformation of Korean Politics and Administration: A 30 Year Retrospective
Type: Book
ISBN: 978-1-80382-116-0

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Expert briefing
Publication date: 4 March 2021

President Moon Jae-in has fulfilled his manifesto pledge to reform the country’s powerful prosecution service, with sweeping legislation that transfers most of its investigative…

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DOI: 10.1108/OXAN-DB259962

ISSN: 2633-304X

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Publication date: 29 March 2017

Unlike during her impeachment when she resisted all summons, Park plans to appear in court tomorrow in hopes of avoiding arrest and detention. Campaigning for the election to…

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DOI: 10.1108/OXAN-DB219916

ISSN: 2633-304X

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Book part
Publication date: 9 May 2022

Tobin Im

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Transformation of Korean Politics and Administration: A 30 Year Retrospective
Type: Book
ISBN: 978-1-80382-116-0

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Expert briefing
Publication date: 8 March 2017

That evening, the first components of the THAAD missile defence system, including two launchers, arrived at Osan airbase in South Korea, prompting renewed protests and further…

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Book part
Publication date: 22 December 2005

Young-Myon Lee and Michael Byungnam Lee

While the origin of Korean Industrial Relations goes back 150 years when the country opened its seaports to foreign countries, it didn’t emerge as a field of study until 1950s…

Abstract

While the origin of Korean Industrial Relations goes back 150 years when the country opened its seaports to foreign countries, it didn’t emerge as a field of study until 1950s when academics began to write books and papers on the Korean labor movement, labor laws, and labor economics. In this paper, we sketch this history and describe important events and people that contributed to the development of industrial relations in Korea. Korean industrial relations in the early 20th century were significantly distorted by the 35-year-Japanese colonial rule (1910–1945). After regaining its independence, the U.S. backed, growth-oriented, military-based, authoritarian Korean government followed suit and consistently suppressed organized labor until 1987. Finally, the 1987 Great Labor Offensive allowed the labor movement to flourish in a democratized society. Three groups were especially influential in the field of industrial relations in the early 1960s: labor activists, religious leaders, and university faculty. Since then, numerous scholars have published books and papers on Korean industrial relations, whose perspectives, goals, and processes are still being debated and argued. The Korean Industrial Relations Association (KIRA) was formed on March 25, 1990 and many other academic and practitioner associations have also come into being since then. The future of industrial relations as a field of study in Korea does not seem bright, however. Issues regarding organized labor are losing attention because of a steadily shrinking unionization rate, changing societal attitude toward labor unions, and the enactment of new and improved laws and regulations regarding employment relationships more broadly. Thus, we suggest that emerging issues such as contingent workers, works councils and tripartite partnership, conflict management, and human rights will be addressed by the field of industrial relations in Korea only if this field breaks with its traditional focus on union and union–management relations.

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Advances in Industrial & Labor Relations
Type: Book
ISBN: 978-0-76231-265-8

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Expert briefing
Publication date: 12 December 2016

Park is already a lame duck with barely a year left to serve and her public support rate is just 5%. Her authority is irretrievably lost, but she refuses to resign. The…

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DOI: 10.1108/OXAN-DB216618

ISSN: 2633-304X

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Article
Publication date: 14 March 2019

Shin-Goo Kang

The purpose of this paper is to introduce and analyze the short-term and long-term causes of the candlelight demonstrations and the ensuing presidential impeachment in South…

552

Abstract

Purpose

The purpose of this paper is to introduce and analyze the short-term and long-term causes of the candlelight demonstrations and the ensuing presidential impeachment in South Korea, as well as the characteristics of the organization that planned the candlelight demonstrations and the participants of them.

Design/methodology/approach

The research is based on the previous literature, news articles, as well as various surveys on the randomly selected participants of the demonstrations and on a representative sample of Korean electorate, including non-participants as well.

Findings

The candlelight demonstrations, although “triggered” by a news report, would not have occurred, without angers and discontents accumulated over the president’s whole term by the irregularities and wrongdoings of the administration. The system of checks and balances in democratic system did not work properly. In that regard, the candlelight demonstrations and the ensuing presidential impeachment were just an unanticipated expression of the problems and defects built in the Korean democratic system of 1987, which would have found a way out in any form eventually.

Originality/value

Based on the analysis of the candlelight demonstrations and the ensuing presidential impeachment, the paper suggests instructive implications on a new democracy as well as on modern representative democracies that are in jeopardy now.

Details

Asian Education and Development Studies, vol. 8 no. 3
Type: Research Article
ISSN: 2046-3162

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Organized Labor and Civil Society for Multiculturalism: A Solidarity Success Story from South Korea
Type: Book
ISBN: 978-1-83982-388-6

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