An important requirement of an intrusion detection system (IDS) is that it be effective and efficient; that is, it should detect a large percentage of intrusions, while still keeping the false alarm rate at an acceptable level. In order to meet this requirement, the model and algorithm used by the IDS need to be calibrated or configured. The optimal configuration depends on several factors. The first

In this study, we examine the versioning strategy for two-sided dating platforms. We assume a monopoly dating platform facing two sides of users (male and female) with different levels of willingness to pay across and within the same side. The platform knows the user type distribution on each side but does not know the exact types of the individual users. The platform needs to decide whether or when

Data are collected and regarded as valuable assets in many business domains. Their owner would not want to disclose them to the public due to their potential value. Distributed knowledge discovery techniques have been proposed which assume the cooperation of data owners even though they might not behave in a trustworthy manner. When a party decides to quit the cooperation in the distributed knowledge

ECG signals contain a lot of information related to cardiac activity and play a critical role in diagnosing of heart disease. However, relying on health information monitoring with simple ECG measurement can lead to errors in health information analysis. Therefore, for accurate diagnosis and analysis, an algorithm that can efficiently process user’s measurement environment and activity information

This study examines the joint effects of interactivity, task complexity, and product knowledge on customers’ online purchase decision quality. Interactivity is defined as the extent to which users can participate in modifying the form and content of a mediated environment in real-time. For example, users sort products on a website based on certain criteria (e.g., price). An experiment with 264 participants

In this research, we evaluate the moderating role of personality on enjoyment and attention associated with a gamified data collection instrument, and the attractiveness of a surveying organization. In an online experiment, we compare a gamified survey with a traditional survey. The results suggest that gamified surveys are more enjoyable and users are more attentive when filling out gamified surveys

This study explores the antecedents of usage intentions to use Facebook commerce from an asymmetric point of view. The methodology consists of qualitative comparative analysis (QCA) asymmetric methods as well as structural equation methods (SEM). This study employs the SEM partial least squares analysis method to validate existing theories that examine the relationships between variables such as electronic

The construction of a superior IT portfolio remains an open research question in prior literature. For addressing this gap, we investigate two unique characteristics of IT investment projects that may make it more or less likely to construct a superior IT portfolio in this study. We are mainly grounded on the modern portfolio theory to develop propositions regarding the relationships among such characteristics

Enterprise information systems (EIS) improve access to information, process optimization and system integration. Such enhanced information processing capabilities have varying effects on firm financial performance under different corporate governance aspects. We examine such interacting effects with data of Chinese listed companies during 2008 and 2013. Our empirical study shows that EIS implementation

Mobile and sensor related technologies are significantly revolutionizing the medical and healthcare sectors. In current healthcare systems, gadgets are the prominent way of acquiring medical services. However, the recent technological advancements in smart and ambient environments are offering users new ways to access the healthcare services without using any explicit gadgets. One of the key challenges

The ciphertext policy is a promising cryptographic technique for smart home data security, and the secrecy of the encryption key purely depends on the security of the key derivation mechanism. In a smart home network, many devices have limited computational and communication resources, and any such mechanism to create a security key should consider these computational and communicational constraints

With the increasing pervasiveness of smart phones and smart devices, dialogue systems are gaining ever growing attention from both academic and industry. These systems can be broadly classified into two categories, one that is aimed at helping user to gain new knowledge and one that can chat with users without completing any specific tasks. Although dialogue systems are improving substantially, the

User decision intuition is challenging and complex, even if the user and product are known. Thus, recommending products is a management decision with high degree of incertitude. What if we are facing also the cold-start problem, like new products or visitors? This is a hot topic in recommender systems, tackled in variously, successfully or not. This perspective adds more incertitude to the existing

Due to recent growing interest, the importance of preventive and efficient healthcare using big data scattered throughout various IoT devices is being emphasized in healthcare, as well in the IT field. The analysis of information in healthcare is mainly prediction using a user’s basic information and static data from a knowledge base. In this study, a knowledge-based dynamic cluster model using a convolutional

An IT roadmap is a critical investment that can significantly affect future competitiveness and performance of a firm. This study presents a comprehensive framework for determining the predecessors and successors of each activity of a roadmap to manage and govern the IT. This paper discusses the result of integrating the COBIT as a well-known IT standard with a hybrid group decision-making method,

Understanding how people move from one location to another is important both for smart city planners and destination managers. Big-data generated on social media sites have created opportunities for developing evidence-based insights that can be useful for decision-makers. While previous studies have introduced observational data analysis methods for social media data, there remains a need for method

This paper analyzes how the market power in a supply chain affects a manufacturer’s hybrid marketing channel strategies, considering market transaction costs and the ratio of market size of the online market and the offline market. Also, this paper investigates a price-matching strategy when a manufacturer adds an online channel. This paper shows a number of interesting results: generally, when a manufacturer

The purpose of this paper is to study the impact of Chinese enterprises’ ERP investment and implementation on stock performance and financial performance and the differences between Chinese enterprises and American enterprises’ ERP investment as well as the differences between the smaller firms and larger firms’ ERP investment. The result indicates the performance of Chinese companies investing in

This study investigated the status of appropriability mechanisms and relevant policy measures as an option to secure the returns on R&D investment, which businesses employ to create new knowledge and competitiveness for knowledge-based management. Also, it conducted the AHP analysis of responses from a range of ICT-related experts surveyed. Moreover, to explore the dynamic structure of appropriability

Modern society needs to think of new approaches for solving problems with computing. Computational thinking is the process of abstracting and automating a variety of problems using computational technology. A system that expresses, manages, and processes knowledge such as computational thinking is called a knowledge-based system. This paper proposes to examine students’ knowledge about computational

With the change in their social environment and life patterns, the eating habits of modern people have become more diverse. Eating habits are closely related to health, and diet management for individual healthcare is required in this era characterized by poor health and increased longevity. In this paper, we propose a knowledge-based hybrid decision model for nutrition management that uses neural

Information security management has increasingly been recognized as one of the major business challenges of the last decade. While security research has widely recognized that breaches are detrimental to business value, the other side of the equation has received little attention. The literature on the value impact of proactive financial investments into information security management infrastructure

This study proposes a two-period analytical model to explore the relative optimality of three sequential releasing strategies for a software vendor: (1) Skipping Strategy—skip the limited-functionality version and introduce a full-functionality version in the next period, (2) Replacement Strategy—release a limited-functionality version first and replace it with a full-functionality version later, and

The purpose of the present research is to understand individuals’ intentions to limit their personal information online to partially anonymize their digital identity. Key concepts from several privacy theories are used to generate hypotheses that can be used to understand the behavior of interest. Data from a national probability sample of 792 adults is used to test the hypotheses. The results indicate

One of the main objectives of this study is to provide organizational knowledge management teams with a new approach for evaluating the knowledge sharing performance of communities of practice (CoPs) by analyzing the change in the knowledge sharing efficiency. This study uses a cumulative data envelopment analysis/Malmquist index method to analyze the changes in knowledge sharing efficiency in CoPs

In the online-to-offline (O2O) business model, location recommendation plays an important role and is an essential component of the location-based services. The check-in data, which contains both the geographical and temporal information, has been treated as an important data source for location recommendation. Location-based collaborative filtering is a popular technique for computing location similarities

Information technology (IT) has been viewed as a source of strategic and tactic forces that improve supply chain management. Previous studies, however, do not necessarily agree on effects of IT-driven supply chain capabilities on firm performance. To better evaluate the contribution of supply chain and IT toward firm performance, we propose a research model that emphasizes the interaction effects between

An intrusion prevention system (IPS) acts as a new type of information security technology, the configuration and management of which are currently urgent problems; in particular, debate exists regarding the value of these systems. In this paper, we analyse whether a firm realizes a positive or negative value from using an IPS instead of an intrusion detection system (IDS) in a default configuration

The validation of any new methodological proposal demands several real-life implementations. However, organizations are reluctant to invest without the firm guarantee that they will be returned the entire expended amount of money. For this purpose, expert judgment techniques are very useful to provide a less-costly initial validation that, when positive, may encourage organizations to use these new

The advancement of information technology and its benefits for organizations have made the field of e-business marketing competitive and successful although there have been failures as well. Failure happens due to the use of constant strategies while the e-business environment is dynamic and in such a context, strategy formulation and implementation is a challenge for e-business organization. In this

During the online shopping process, customer reviews strongly influence consumers’ buying behaviour. Fake reviews are increasingly utilized to manipulate products’ reputations. Automatically and effectively identifying fake reviews has become a salient issue. This study proposes a novel individual-group-merchant relation model to automatically identify fake reviews on e-commerce platforms, which focuses

This study investigates the competitive factors of software firms that participated in the Korea Software Firm Competitiveness Awards, a nationwide project supported by the Ministry of Knowledge Economy that studies the performance of software firms in Korea. The study applies concepts from hierarchical multiple regression analysis to develop a model to assess the relationship between the competitive

The management and implementation of enterprise resource planning (ERP) systems has tended to concentrate on their transactional and record-keeping aspects, rather than on their decision-support capabilities. As ERP systems have evolved, they have become increasingly important as a way of leveraging transaction data for building decision support and analytics applications. This paper explores connections

Industrial electronic-cluster (e-cluster) combines electronic business (e-business) and industrial cluster, and this combination has been shown to enhance competitiveness. However, most previous studies of e-cluster have focused on small and medium enterprises (SMEs), but few have addressed e-clustering in microenterprises (MEs). MEs have some unique disadvantages compared to SMEs, and in order to

Virtual world has the potential to become a future global electronic market, integrating many isolated markets in many areas. To achieve this goal, future virtual world is required to be persistent, which means that a virtual world together with its accumulated content shall exist forever regardless of the dynamic changes of its virtual world users and virtual world owners. This paper addresses the

The study attempts to develop and validate a physical product e-tailing systems success model based on the existing information systems/e-commerce systems success models and consumer behavior literature. The proposed e-tailing success model describes the interrelationships among nine dimensions: Information Quality, System Quality, Service Quality, Product Quality, Perceived Price, Perceived Value

With the Internet permeating every aspect of daily life, organizations of all types are increasingly concerned about the degree to which their employees are cyberloafing by shirking their work responsibilities to surf the Internet, check e-mail, or send text messages. Although technological interventions against cyberloafing have been shown to be effective, they might be perceived by employees as an

Public organizations have invested heavily in information technology (IT) and have created internal specialized IT services departments which must be managed from the perspective of the provision of services. The people involved in these organizations can be grouped by demographic characteristics such as gender, age and level of formal education. Thus, the study has two objectives. The first is to

Organizations are continually looking for ways to increase the effectiveness of their product and service delivery through supply chain collaborations. Recent technologies (both software and hardware) have been designed to facilitate supply chain collaboration and partnership. Due to the different operational environment throughout the supply chain, the application of these technologies are very often

Identifying dominating features that affect individual information retweeting behavior on social networking sites (SNSs) is crucial to understanding individual retweeting behaivor and developing effective marketing strategies on SNS. However, there is little agreement on what factors are dominating individual information disseminating behavior on SNS, and what’s worse, more and more factors are added

The emergence of collaborative information technology/systems (IT/IS) has profoundly influenced new product development (NPD) performance. However, the convenient e-collaboration functions/services delivered by collaborative IT/IS have not been received equal attention in academia and industry. Consequently, scholars and managers have only a limited understanding of the role perceived e-collaboration

With the advent of globalization and the knowledge-based economy, industrial SMEs must constantly innovate to remain competitive. Now, an important research issue in this regard concerns the role played by IT capabilities in enabling innovation processes such as new product development, and in determining the product innovation performance of these organizations. Using a configurational approach grounded

The professionalisation of project management has been a contentious topic for some time. Project management certification is seen as a step towards the professionalisation of the discipline. Certifications were developed as a means to provide individuals with the appropriate knowledge and skills required to deliver projects successfully. Although project management certification programmes are now

Firms are increasingly focusing on understanding and managing their social media strategies in order to create discussions and optimize the spread of news in their communities. Most prior studies on information dissemination have mainly focused on the roles of influentials but ignored the essential for noninfluentials. To fill this gap, this paper takes a holistic view of the information dissemination

The OMG Essence standard was published as the kernel for software engineering methods in 2014. We show that the Essence view of software engineering is reminiscent of a nondeterministic, multidimensional finite state machine, and that the Essence lends support to a semi-Markov decision process model of software engineering which, in practice, facilitates a goal-driven adaptive software engineering

Software process improvement (SPI) is a continual organizational learning process with the goal of obtaining and sustaining competitive advantage in rapidly developing business and software environments. However, no research has focused on a firm’s capability to increase effective external SPI knowledge acquisition and utilization. Thus, this study uses dynamic capability theory in order to investigate

The advent of cloud computing has transformed the role of the Internet in many businesses and organizations. Currently, banks are increasingly adopting cloud technologies to fulfil their varied purposes and to create a flexible and agile banking environment that can quickly respond to new business needs. However, past studies tend to focus more on the adoption issues of cloud computing from the organizational

A growing number of firms in software industry are embracing free entry strategy to promote product adoption. The prevalence of free strategy can be partly attributed to the positive network externalities exhibited by the information goods. In this paper, we model a new firm’s entry into an existing market with the free strategy. Consumers can use the new product’s basic functionality for free and

Information systems have become indispensable to the competitiveness of ports, facilitating communication and decision making for enhancing the visibility, efficiency, reliability, and security in port operations under various conditions. Providing value-added information services and analytics is increasingly important to maintain a competitive edge and to fulfill regulatory requirements. Consequently

With rapid changes in the business environment, leading or utilizing technology standards may help firms gain better performance through competitive advantage. Such activities related to technology standards are likely to provide numerous opportunities or benefits to small and medium-sized enterprises (SMEs) in the highly technological divide among firms. However, few studies have paid attention to

This study developed and tested a model of the determinants of completeness of IT outsourcing contracts. The model is based on the assumption that the level of contract completeness results from a trade-off between the cost of developing a complete contract and the protection it offers. In contrast with outsourcing in many other sectors, IT outsourcing can be a temporary measure, with the anticipation

In this paper, we present an innovative decision support system that simultaneously provides predictive analytics to logistic nodes as well as to collaborating truck companies. Logistic nodes, such as container terminals, container depots or container loading facilities, face heavy workloads through a large number of truck arrivals during peak times. At the same time, truck companies suffer from augmented

We propose mobile service consumption values based on a multi-dimensional value perspective by conducting an exploratory mixed-method design, including focus group interviews and face-to-face intercept surveys. We explored six dimensions of mobile service consumption values: convenience, effectiveness, enjoyment, reassurance, information, and epistemic values. The proposed value dimensions expand the

A smart Information and Communication Technology (ICT) enables a synchronized interplay of different key factors, aligning infrastructures, consumers, and governmental policy-making needs. In the harbor’s logistics context, smart ICT has been driving a multi-year wave of growth. Although there is a standalone value in the technological innovation of a task, the impact of a new smart technology is unknown

This paper documents time series momentum in Bitcoin returns. The paper finds persistence in returns for one to 8 weeks that partially reverses over longer horizons, consistent with sentiment theories of initial under-reaction and delayed over-reaction. The time series momentum in Bitcoin returns is similar to that of the other asset returns while the time span is much shorter. This may be due to much

This paper presents a business event analysis classification framework, based on five business criteria. As a result, we are able to distinguish thirteen event types distributed over four categories, i.e. truthful, invisible, false and unobserved events. Currently, several of these event types are not commonly dealt with in business process management (BPM) and analytics (BPA) research. Based on the

One major service provided by cloud computing is Software as a Service (SaaS). As competition in the SaaS market intensifies, it becomes imperative for a SaaS provider to design and configure its computing system properly. This paper studies the application placement problem encountered in computer clustering in SaaS networks. This problem involves deciding which software applications to install on

Liner carriers move vessels between routes in their networks several times a year in a process called fleet repositioning. There are currently no decision support systems to allow repositioning coordinators to take advantage of recent algorithmic advances in creating repositioning plans. Furthermore, no study has addressed how to visualize repositioning plans and liner shipping services in an accessible

Information system development projects face tremendous challenges because of business changes and technology changes. Research has shown that software team flexibility has a positive effect on project outcomes, but specific requirements for enhancing flexibility are lacking. Drawing from the input-mediator-outcome (IMO) team effectiveness framework, this research investigates the contextual inputs

Achieving business-IT alignment (BITA) as a long-term and appraising management issue can be accomplished in a few ways, enterprise architecture (EA) being one of them. This paper attempts to give a critical understanding of the effects of performing EA on different aspects of BITA maturity through a global survey. A total of 236 respondents from 60 countries, a relatively large response for a survey