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Social Web applications have successfully transformed content consuming users into content producers. Aside of socializing, these applications are frequently used to disseminate information and coordinate purposeful activities, such as disaster response, political action, and neighborhood organizations. These activities are carried out via human interpreted messages. In many cases, dedicated information...
Micro logs are social networking systems, where users frequently contribute very short (micro) posts. Micro loggers follow others' posts via subscription. However, it is a challenge to determine micro loggers worthy of following, since their contributions are fragmented amidst numerous and various tiny posts. Furthermore, micro posts typically include abbreviations, mispeled words, special tokens,...
The emergence of an ever increasing number of documents makes it more and more difficult to locate them when desired. An approach for improving search results is to make use of user-generated tags. This approach has led to improvements. However, they are limited because tags are (1) free from context and form, (2) user generated, (3) used for purposes other than description, and (4) often ambiguous...
Existing search and content management technology is facing a challenge of locating desired content with the exponentially growing volume of documents. An approach for mitigating this issue is to make use of user-generated tags. However, the improvements are limited because tags are (1) free from context and form, (2) user generated, (3) used for purposes other than description, and (4) often ambiguous...
This study describes a Web environment for supporting the teaching of Introduction to Programming" course, which is taught to around 350 students/semester. The wide variety of student backgrounds and access to resources has rendered this task very challenging. This paper discusses the design, implementation and experiences related to a Web based learning environment. To this end, a Web environment...
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