13,890 research outputs found
Critical review of the e-loyalty literature: a purchase-centred framework
Over the last few years, the concept of online loyalty has been examined extensively in the literature, and it remains a topic of constant inquiry for both academics and marketing managers. The tremendous development of the Internet for both marketing and e-commerce settings, in conjunction with the growing desire of consumers to purchase online, has promoted two main outcomes: (a) increasing numbers of Business-to-Customer companies running businesses online and (b) the development of a variety of different e-loyalty research models. However, current research lacks a systematic review of the literature that provides a general conceptual framework on e-loyalty, which would help managers to understand their customers better, to take advantage of industry-related factors, and to improve their service quality. The present study is an attempt to critically synthesize results from multiple empirical studies on e-loyalty. Our findings illustrate that 62 instruments for measuring e-loyalty are currently in use, influenced predominantly by Zeithaml et al. (J Marketing. 1996;60(2):31-46) and Oliver (1997; Satisfaction: a behavioral perspective on the consumer. New York: McGraw Hill). Additionally, we propose a new general conceptual framework, which leads to antecedents dividing e-loyalty on the basis of the action of purchase into pre-purchase, during-purchase and after-purchase factors. To conclude, a number of managerial implementations are suggested in order to help marketing managers increase their customers’ e-loyalty by making crucial changes in each purchase stage
An improved negative selection algorithm based on the hybridization of cuckoo search and differential evolution for anomaly detection
The biological immune system (BIS) is characterized by networks of cells, tissues, and
organs communicating and working in synchronization. It also has the ability to learn,
recognize, and remember, thus providing the solid foundation for the development
of Artificial Immune System (AIS). Since the emergence of AIS, it has proved itself
as an area of computational intelligence. Real-Valued Negative Selection Algorithm
with Variable-Sized Detectors (V-Detectors) is an offspring of AIS and demonstrated
its potentials in the field of anomaly detection. The V-Detectors algorithm depends
greatly on the random detectors generated in monitoring the status of a system.
These randomly generated detectors suffer from not been able to adequately cover
the non-self space, which diminishes the detection performance of the V-Detectors
algorithm. This research therefore proposed CSDE-V-Detectors which entail the
use of the hybridization of Cuckoo Search (CS) and Differential Evolution (DE) in
optimizing the random detectors of the V-Detectors. The DE is integrated with CS
at the population initialization by distributing the population linearly. This linear
distribution gives the population a unique, stable, and progressive distribution process.
Thus, each individual detector is characteristically different from the other detectors.
CSDE capabilities of global search, and use of L´evy flight facilitates the effectiveness
of the detector set in the search space. In comparison with V-Detectors, cuckoo search,
differential evolution, support vector machine, artificial neural network, na¨ıve bayes,
and k-NN, experimental results demonstrates that CSDE-V-Detectors outperforms
other algorithms with an average detection rate of 95:30% on all the datasets. This
signifies that CSDE-V-Detectors can efficiently attain highest detection rates and
lowest false alarm rates for anomaly detection. Thus, the optimization of the randomly
detectors of V-Detectors algorithm with CSDE is proficient and suitable for anomaly
detection tasks
Factors Influencing Saudi Consumers Loyalty Toward B2C E-Commerce
Previous research found that e-retailers experience difficulty to maintain customer loyalty despite of the recent rapid growth in Business to Customer e-commerce applications. Developing and managing customer loyalty and customer retention is very important for the long-term growth of a firm. Numerous studies have empirically examined consumer’s loyalty and attitudes in various countries toward the Business to Customer e-commerce. Nevertheless, empirical research on the e-commerce consumer loyalty in the developing Arab countries, are generally limited. Thus, the main objective of this paper is to identify the key factors that influence the extent to which Saudi consumers are loyal towards Business to Customer e-commerce. Next, we draw on extant literatures about hypothesized relationships between e-commerce consumer loyalty and its antecedents to build a conceptual framework on Saudi consumer\u27s loyalty. Then, a survey was conducted among Saudi e-commerce customers in the Eastern Province of Saudi Arabia using a structured selfadministered questionnaire. The study found that amongst other factors, customer trust and satisfaction influence consumer\u27s loyalty towards B2C e-commerce in Saudi Arabia. The findings assist firms to understand what key factors/areas in e-commerce applications they ought to focus on in order to improve customer loyalty thereby improving revenue
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Importance-performance analysis of retail website service quality
This study intends to empirically explore the customer’s perceived ranking of the importance of a range of on-line services, and their perceptions of the retailers’ performance in delivering these services. An online questionnaire survey has been conducted to gather the data from respondents. The data was analysed using Importance-Performance Analysis (IPA). The findings suggest areas of e-service quality where retailers could improve, based on the customers’ perceptions of the retailers’ performance against the importance of some e-service quality features and/or services on offer. Consequently, this study highlights that retailers should take active steps to understand their customers’ requirements, before developing an online customer services strategy. From a practical perspective, retailers could also apply the questionnaire developed for this study to canvas the opinions of customers, to help identify areas in which their performance needs to be improved
The Spanish E-retailing Customers Segmentation
This article analyses different factors that influence the purchasing behaviour of online supermarket customers. These factors are related to both the appearance of the website as well as the processes that take place when making the purchase. Based on these analyses, the various groups of consumers with homogenous behaviour are studied. The analysis also allows the quality of the service offered by this kind of establishment to be defined, as well as the main dimensions in which it develops. In the conclusions, factors which should influence the manager of an online supermarket to improve the quality of its service are given.Virtual supermarket; segmentation; Internet; E-commerce; marketing.
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What drives consumers' e-loyalty to airlines web site? Conceptual framework and managerial implications
This study proposes a revised technology acceptance model that integrates expectation confirmation theory to measure continuance intentions of online shopping for airlines web sites. The sample respondent 465online users in Saudi Arabia. A structural equation model confirms model fit. Perceived usefulness, enjoyment, social pressure, and loyalty incentives are determinants of online flight booking continuance in Saudi Arabia. This research moves beyond online booking intentions and includes factors affecting online booking continuance. The research model explains 53% of the intention to continue booking using airlines web sites
Quality improvement of manuka honey through the application of high pressure processing
The quality of honey is known to be compromised when it goes through thermal
processing due to its negative impact on the unstable and thermolabile honey components
which originated from the nectar and bees themselves. This present work is undertaken to
access the use of an emerging food preservation technique known as “High Pressure
Processing” for treating honey, as an alternative to the conventional thermal processing. In
this thesis, honey quality has been addressed by measuring the effects of high pressure
processing parameters (pressure, time and temperature) on nutritional properties of honey,
namely total phenolic content and antioxidant activity. Honey samples, contained in small
pouches, were subjected to different pressures (200-600 MPa) at close to ambient
temperatures (25-33°C) for different holding times (10 to 30 min). Thermal processing (49-
70°C) was also carried out for comparison purpose. Results demonstrated that high pressure
processing operated at 600 MPa for 10 min has capability to increase significantly the total
phenolic content and antioxidant activity by 47% and 30%, respectively. Besides, the result
showed that high pressure processing can maintain the natural colour of honey which relates
directly to consumer perception, while retaining its shear-thinning behaviour and viscosity
with no significant changes (p > 0.05). High pressure processing can also control
hydroxymethylfurfural (HMF) concentration in honey during process within the standard
limit, 16.93 to 18.76 mg/kg (which is below than the maximum allowed limit of 40 mg/kg).
This work also reveals that high pressure processing can enhance antibacterial activity of
Manuka honey significantly. It shows an increase in the percentage inhibition of
Staphylococcus epidermidis from 64.15 ± 5.86% to 84.34 ± 7.62% when honey was
subjected to 600 MPa. Storage studies for one year at room temperature (25°C) demonstrated
that high pressure-treated samples have a good retention to the physicochemical, nutritional
and rheological properties of honey throughout storage, which confirms that the positive
effect of high pressure on honey is not a temporary effect. Whereas, an insight study on the
safety part showed that the Saccharomyces cerevisiae cell varied linearly with ° Brix,
indicating that food compressibility has a significant role in the microbial inactivation
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