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Article
Publication date: 9 August 2021

Xintong Zhao, Jane Greenberg, Vanessa Meschke, Eric Toberer and Xiaohua Hu

The output of academic literature has increased significantly due to digital technology, presenting researchers with a challenge across every discipline, including…

Abstract

Purpose

The output of academic literature has increased significantly due to digital technology, presenting researchers with a challenge across every discipline, including materials science, as it is impossible to manually read and extract knowledge from millions of published literature. The purpose of this study is to address this challenge by exploring knowledge extraction in materials science, as applied to digital scholarship. An overriding goal is to help inform readers about the status knowledge extraction in materials science.

Design/methodology/approach

The authors conducted a two-part analysis, comparing knowledge extraction methods applied materials science scholarship, across a sample of 22 articles; followed by a comparison of HIVE-4-MAT, an ontology-based knowledge extraction and MatScholar, a named entity recognition (NER) application. This paper covers contextual background, and a review of three tiers of knowledge extraction (ontology-based, NER and relation extraction), followed by the research goals and approach.

Findings

The results indicate three key needs for researchers to consider for advancing knowledge extraction: the need for materials science focused corpora; the need for researchers to define the scope of the research being pursued, and the need to understand the tradeoffs among different knowledge extraction methods. This paper also points to future material science research potential with relation extraction and increased availability of ontologies.

Originality/value

To the best of the authors’ knowledge, there are very few studies examining knowledge extraction in materials science. This work makes an important contribution to this underexplored research area.

Details

The Electronic Library , vol. 39 no. 3
Type: Research Article
ISSN: 0264-0473

Keywords

Article
Publication date: 17 June 2008

Chen Wu, Xiaohua Hu and Jingyu Yang

The purpose of this paper is to construct diverse granules and coverings derived from a semi‐equivalence class and then to reveal the relationships between granules and…

Abstract

Purpose

The purpose of this paper is to construct diverse granules and coverings derived from a semi‐equivalence class and then to reveal the relationships between granules and coverings and even relations, and to help one to study pansystems relations in a trans‐cross view.

Design/methodology/approach

Forms regarding semi‐equivalence classes as primitives, blocks or granules such as tolerance class, join class, meet class, optimist/pessimist selected compatible class, and tolerantly kernel class in an incomplete information system are defined and compared. Different approximations are also introduced. Furthermore, diverse coverings are also suggested.

Findings

A tolerance class of an object is proved to be the join of semi‐equivalence classes containing it, i.e. a result of acting union operation on some primitive classes. A compatibly kernel class of an object is a meet of semi‐equivalence classes including it, i.e. a result of acting intersection operation on some primitive classes. Related coverings can also be regarded as coverings derived from the covering consisting of primitive granules. Several necessary and/or sufficient conditions for a general covering to become a semi‐equivalence or complete covering are obtained. Meaningful property and relationship results are also exploited.

Practical implications

Constructing diverse granules naturally from an incomplete information system to form a different knowledge expression system looks promising for data mining in the information society. It widens the approach and schema.

Originality/value

The paper shows that the formation process of granules is natural, newly defined, and not similar and theoretic to those existing in a neighborhood system. The relationship between diverse granules and coverings is described by mathematical theorems in sufficient or necessary condition form.

Details

Kybernetes, vol. 37 no. 6
Type: Research Article
ISSN: 0368-492X

Keywords

Article
Publication date: 1 May 2005

Xiaohua Hu

The huge volume of biomedical literature provides a nice opportunity and challenge to induce novel knowledge by finding some connections among logical‐related medical…

Abstract

Purpose

The huge volume of biomedical literature provides a nice opportunity and challenge to induce novel knowledge by finding some connections among logical‐related medical concepts This paper aims to propose a semantic‐based knowledge discovery system for mining novel connections from large online digital libraries.

Design/methodology/approach

The method takes advantages of the biomedical ontologies, MeSH and UMLS, as the source of semantic knowledge. A prototype system, Biomedical Semantic‐based Knowledge Discovery System (Bio‐SbKDS), is designed to uncover novel hypothesis/connections hidden in the biomedical literature. Using only the starting concept and the initial semantic relation derived from UMLS, Bio‐SbKDS can automatically generate the semantic types as category restrictions for concepts. Using the semantic types and semantic relations of the biomedical concepts, Bio‐SbKDS can identify the relevant concepts collected from Medline in terms of the semantic type and generate the novel hypothesis between these concepts based on the semantic relations.

Findings

The system successfully replicates Dr Swanson's famous discoveries: Raynaud disease/fish oil automatically, and generates much less intermediate concepts and spurious connections.

Originality/value

The method takes full advantage of the semantic knowledge of the biomedical concepts, compared with previous approaches, our methods generate much less but more relevant novel hypotheses. Another significant advantage over other traditional approaches is that our method requires much less human intervention in the discovery procedure.

Details

Library Management, vol. 26 no. 4/5
Type: Research Article
ISSN: 0143-5124

Keywords

Article
Publication date: 1 May 2005

Miltiadis Lytras, Miguel‐Angel Sicilia, John Davies and Vipul Kashyap

The aim of this paper is to introduce the special issue on the Semantic Web. Intensive research has been undertaken worldwide in research centres and several achievements…

2971

Abstract

Purpose

The aim of this paper is to introduce the special issue on the Semantic Web. Intensive research has been undertaken worldwide in research centres and several achievements have been accomplished towards the ultimate objective: the expression and the exploitation of humanity's collective knowledge.

Design/methodology/approach

A multi‐fold strategy for the preparation of this special issue was deployed. Given the special characteristics, a balanced mix of introductory papers to the topic, and also advanced research papers at the leading edge of Semantic Web evolution, were selected.

Findings

The paper summarizes the articles of the issue and also provides help in understanding the Semantic Web Roadmap of Digital Libraries.

Originality/value

Introduces the papers in the special issue.

Details

Library Management, vol. 26 no. 4/5
Type: Research Article
ISSN: 0143-5124

Keywords

Article
Publication date: 29 May 2021

H. Holly Wang

Abstract

Details

China Agricultural Economic Review, vol. 13 no. 2
Type: Research Article
ISSN: 1756-137X

Article
Publication date: 1 August 2005

Xiaohua Ye, Hong Hu and Xunwei Feng

In this paper, the properties of the warp knitted spacer fabrics for pressure reduction are experimentally investigated and compared to other materials. The influences of…

Abstract

In this paper, the properties of the warp knitted spacer fabrics for pressure reduction are experimentally investigated and compared to other materials. The influences of the different parameters such as thickness, spacer yarn diameter and connecting form are also analyzed and discussed. The results have shown that the spacer knitted fabrics have very good properties for pressure reduction when they are used as mattress or cushions.

Details

Research Journal of Textile and Apparel, vol. 9 no. 3
Type: Research Article
ISSN: 1560-6074

Keywords

Article
Publication date: 8 June 2015

David Martín-Moncunill, Miguel-Ángel Sicilia-Urban, Elena García-Barriocanal and Salvador Sánchez-Alonso

Large terminologies usually contain a mix of terms that are either generic or domain specific, which makes the use of the terminology itself a difficult task that may…

Abstract

Purpose

Large terminologies usually contain a mix of terms that are either generic or domain specific, which makes the use of the terminology itself a difficult task that may limit the positive effects of these systems. The purpose of this paper is to systematically evaluate the degree of domain specificity of the AGROVOC controlled vocabulary terms as a representative of a large terminology in the agricultural domain and discuss the generic/specific boundaries across its hierarchy.

Design/methodology/approach

A user-oriented study with domain-experts in conjunction with quantitative and systematic analysis. First an in-depth analysis of AGROVOC was carried out to make a proper selection of terms for the experiment. Then domain-experts were asked to classify the terms according to their domain specificity. An evaluation was conducted to analyse the domain-experts’ results. Finally, the resulting data set was automatically compared with the terms in SUMO, an upper ontology and MILO, a mid-level ontology; to analyse the coincidences.

Findings

Results show the existence of a high number of generic terms. The motivation for several of the unclear cases is also depicted. The automatic evaluation showed that there is not a direct way to assess the specificity degree of a term by using SUMO and MILO ontologies, however, it provided additional validation of the results gathered from the domain-experts.

Research limitations/implications

The “domain-analysis” concept has long been discussed and it could be addressed from different perspectives. A resume of these perspectives and an explanation of the approach followed in this experiment is included in the background section.

Originality/value

The authors propose an approach to identify the domain specificity of terms in large domain-specific terminologies and a criterion to measure the overall domain specificity of a knowledge organisation system, based on domain-experts analysis. The authors also provide a first insight about using automated measures to determine the degree to which a given term can be considered domain specific. The resulting data set from the domain-experts’ evaluation can be reused as a gold standard for further research about these automatic measures.

Details

Online Information Review, vol. 39 no. 3
Type: Research Article
ISSN: 1468-4527

Keywords

Article
Publication date: 7 July 2021

Xiaohua Xin, Xiaoming Miao, Qian Chen and Tiantian Shang

Despite the fact that user participation (UP) has been highlighted as an important aspect in innovation, previous findings on its relationship with service innovation…

Abstract

Purpose

Despite the fact that user participation (UP) has been highlighted as an important aspect in innovation, previous findings on its relationship with service innovation performance (SIP) are inconsistent. This study aims to investigate the relationships among UP, knowledge management capability (KMC) and SIP, especially in the digital age, inspired by the theories of knowledge-based and absorptive capacity.

Design/methodology/approach

Based on a sample of 252 Chinese e-commerce enterprises, this study adopts a hierarchical regression analysis and bootstrap method to test the theoretical framework and research hypotheses.

Findings

UP and KMC have positive effects on SIP, respectively. KMC plays a mediating role in the effect of UP on SIP. Furthermore, the intermediary role of KMC varies in different sub-paths between UP and SIP.

Originality/value

First, this study provides some explanations for inconsistent arguments on the relationship between UP and service innovation. Second, with the consideration of specific dimensions of UP and SIP, the mediation role of KMC varies in different sub-paths has been recognized, which provides a deeper understanding of the relationship between UP and SIP. Third, this study opens the discussion about how to realize SIP more effectively in the digital age, advancing theoretical and practical developments on service innovation.

Details

Asia Pacific Journal of Marketing and Logistics, vol. 34 no. 4
Type: Research Article
ISSN: 1355-5855

Keywords

Article
Publication date: 16 June 2022

Xiaohua Chen and Timothy J. Lee

This study aims to apply legitimacy theory and self-identity theory to the online food delivery (OFD) app service and then to investigate the impact of green brand…

Abstract

Purpose

This study aims to apply legitimacy theory and self-identity theory to the online food delivery (OFD) app service and then to investigate the impact of green brand legitimacy and biospheric value orientation perceived by customers on eco-friendly behavior.

Design/methodology/approach

This study focuses on the mediating role of trust in green brands and its perceived benefits (including psychological and environmental benefits). This study involved an online survey of 445 customers who had experienced using OFD services in the past six months.

Findings

The platform's green brand legitimacy and consumer perceived biospheric value orientation positively impact trust in green brands. Trust in green products and services significantly affects customers' perceived benefits and has a positive impact on eco-friendly service using behavior. Mediating effect analysis indicated that brand legitimacy and biospheric value have a positive indirect influence on the psychological benefits of supporting green activities and utilitarian environmental benefits.

Research limitations/implications

The convenience sampling method is used, and its purely quantitative nature may limit the generalization of the research results.

Practical implications

The OFD platform should encourage online catering retailers to use more eco-friendly packages for packaging food and minimize the provision of disposable tableware. The platform manager can provide consumers with knowledge and information on lowering related environmental pollution sources when ordering food.

Originality/value

This study innovatively introduces brand legitimacy into the green consumption literature. This is an essential expansion of the content of brand legitimacy and a supplement for the research field of eco-friendly behavior.

Details

International Journal of Contemporary Hospitality Management, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 0959-6119

Keywords

Article
Publication date: 30 August 2021

Isaac Akomea-Frimpong, Xiaohua Jin and Robert Osei-Kyei

Successful execution of public–private partnership (PPP) projects is the most desirable outcome to all stakeholders. Previous studies show that one of the topmost…

Abstract

Purpose

Successful execution of public–private partnership (PPP) projects is the most desirable outcome to all stakeholders. Previous studies show that one of the topmost obstacles to fulfil this desire on the project is financial risks. Nonetheless, inadequate holistic studies exist on linking the management of this challenge to the financial returns of the project. This study aims to develop a theoretical framework interrelating financial risks, financial controls and financial performance of PPP projects.

Design/methodology/approach

The theoretical framework is informed and supported by existing theories and previous empirical studies from construction management, finance and economics. The underlying theories captured in the framework were chosen for their relevance and applicability to PPP projects. The propositions developed from the analysis of the theories and the empirical literature are summarised in three main hypotheses and 26 operationalised sub-hypotheses.

Findings

The major elements of the framework include the financial risks and 12 sub-themes which are commonly experienced on PPP projects. Financial policies and procedures on controlling financial losses of the projects are also included in the framework. Lastly, this study creates financial criteria on the projects which are intrinsically embedded in the framework to serve as benchmark to support the measurement of financial success.

Research limitations/implications

This study is a theoretical review of classical theories and empirical studies, and therefore, not all researches and managerial controls have not been included in this framework due to restricted time and limited studies on the topic.

Practical implications

This paper would serve as a multidimensional guide to project managers to mitigate financial risks and hopefully enhance the financial success of PPPs. Theoretically, this paper outlines the dimensions of managing financial risks of PPPs that require valid and reliable measurement to test the interrelationships of the constructs by further studies in the construction research community.

Originality/value

This theoretical framework makes ambitious efforts to embrace multifaceted theories from different disciplines to shed light on holistic mechanisms to mitigate financial risks to improve financial returns of PPP projects.

Details

Journal of Facilities Management , vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1472-5967

Keywords

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