1 . 1 WORLD WIDE WEB SERVICES
Web services are client and server applications that speak over the World Large Web's (WWW) by using Excitable Text Transfer Protocol (HTTP). Web services provide a regular means of interoperating between software applications running on the variety of systems and frameworks. It has two participants: 1) Provider whom offer the interface and the execution of the support 2) Requester who demand and take in the assistance. Web companies are seen as their superb interoperability and extensibility according to World Wide Web Holding (W3C). One of the modernized uses of internet service is usually e-learning.
1 . a couple of HISTORY
Traditional learning is based on one-to-many relationship where a teacher gives a lecture irrespective of focus of the pupils. It largely focuses on spending physical interest and note-taking rather than understanding, absorbing and exploring the ideas. Each scholar has distinct level of features in being attentive, perceiving, processing and find solutions to problems. It is nearly impossible for a single tutor to accommodate the needs of all the students. Additionally, it has limitations in terms of time and space. This kind of incompatibility makes the learners to migrate to electronic learning.
1 . a few E-LEARNING
E-learning system is a substitute for distance learning where the way of Felder learning is most effective. E-learning refers to in electronic format manipulated educating and learning activity accomplished in technology environment. It may significantly improve student's learning capacity, reduce teachers' working load and make learning a life-long pursuit for all. In e-learning, the system makes an independent file for each student when all their learning process begins. This kind of file gives descriptions from the student such as personal specifics, friends' information, course specifics and so on. Learners can get usage of their file.
E-learning is a heterogeneous network in which the learners have their very own ability. Learners have different means of learning. Based on learning hypotheses, each learner has a different learning design in education system . Learning styles can be defined as learners' belief, priorities, way of response, make use of course content and readiness toward learning in the learning environment. A lot of learners prefer to work in an organization and consult with others whereas others want to learn alone. Learners' perception of a program might be diverse. For example , a course may well seems to be possible for a group although not for everyone. Will not mean that there is also a lack of curiosity for the learner whom face difficulty in learning but their individual design may not be known.
Learners with a strong preference for a specific learning style might have intricacy in learning, in case their learning design is certainly not considered by the teaching environment . Hence the consumer style of the learners may be predicted by the traces that the learners have remaining in the e-learning environment. Depending on the behavior and performance, the remnants of students can be captured and classified to provide appropriate guidance inside the learning environment. Felder  proved that learners using a different learning style choices act in another way in the online study course and there is a correlation involving the learning style preferences plus the behavior from the students in the course.
To present and plan education components flexibly, in line with the individual learners' knowledge, you need to trace the behavior of the scholars. Many Learning Management Systems (LMS) just like Moodle , Blackboard  and Web COMPUTERTOMOGRAFIE  gives many features to develop and manage study course. Fuzzy clustering algorithm accomplished good efficiency of inspecting e-learning patterns. It makes use of browsing time, staying at a page, clicking on a hyperlink from web-logs to understand the behavior. Scalability issue in e-learning system was addressed by edge centric approach . The...
References:  Mu-Jung Huang a, Hwa-San Huang a, Mu-Yen Chen, " Making a customized e-learning system based on innate algorithm and case-based thinking approach, Professional Systems with Applications, 2006, pp 1-14.
 Jili Chen, Kebin Huang, Feng Wang, Huixia Wang, " E-learning Tendencies Analysis based upon Fuzzy Clustering”, Third International Conference in Genetic and Evolutionary Computer, 2009, pp 863-866.
 Mofreh A. Hogo, " Evaluation of E-Learners Habit using Distinct Fuzzy Clustering Models: A Comparative Study”, (IJCSIS) Intercontinental Journal of Computer Science and Information Security, Volume. 7, Number 2, 2010, pp 131-140.
 Ivana Šimonová, Petra Poulová, Pavel Kriz, " E-application to get Individualized e-Learning”, International Meeting on Fun Collaborative Learning (ICL), 2013, pp 709-713.
 Felder RM, Soloman BA. (1997). Index of Learning Models questionnaire. Gathered 30 Apr, 2007, from http://www.engr.ncsu.edu/learningstyles/ ilsweb. html
 Felder RM, Silverman LK (1988) Learning and educating styles in engineering education
 Moodle. (2007). Retrieved 30 04, 2007, coming from http://www.moodle.org
Blackboard. (2007). Gathered 30 The spring, 2007, coming from http://www.blackboard.com