We present the HIClass (Hyper Interactive text Classification) system, an interactive text classification system which combines the cognitive power of humans with the power of automated learners to make statistically sound classification decisions. HIClass is based on active learning principles and has aids for detailed analysis and fine tuning of text classifiers while exerting a low cognitive...

Effective learning of user preferences is critical to easing user burden in various types of matching problems. Equally important is active query selection to further reduce the amount of preference information users must provide. We address the problem of active learning of user preferences for matching problems, introducing a novel method for determining probabilistic matchings, and developin...

In general, however, IT will empower students to have greater control over the learning process, with all the benefits associated with active learning and personal responsibility. Not only will students decide when to learn and how to learn, increasingly they will also decide what to learn and how that learning is to be certified. Traditionally, higher education institutions have combined sever...

Student participation in school life may be considered from the points of view of diverse theoretical frameworks that question different educational aspects related to such social involvement. Issues such as the construction of a democratic school, education for citizenship, active learning and student-centred education may be addressed when the object of one’s study focuses on student particip...

Because it is a strategic resource that is complex, costly and permeates all functions of the modern organization, information technology (IT) is closely scrutinized for its contributed value, particularly in relation to resources expended. From this perspective, understanding the business value of information technology is a requirement not only for CIO’s and CEO’s, but also for non-managers w...

Typically, an introductory programming course is a required course for business college undergraduate students majoring in information systems. Different instructors may have different approaches to teaching this course: Some give lectures and assign programming exercises, while others only assign programming exercises without giving lectures. This research deliberately compared the effects of ...

Educators have recognized that curricula must become more focused on developing student skills and less focused on memorization of rules. Increasing demands on student time make it necessary for students to access learning support tools on demand. Successful curricula give students opportunities for active learning and opportunities to be self-regulated learners. Teaching students how to be act...

We consider a situation where the state of a system is represented by a real-valued vector x ∈ Rn. Under normal circumstances, the vector x is zero, while an event manifests as non-zero entries in x, possibly few. Our interest is in designing algorithms that can reliably detect events — i.e., test whether x = 0 or x 6= 0 — with the least amount of information. We place ourselves in a situation,...

Crowdsourcing has been successfully employed in the past as an effective and cheap way to execute classification tasks and has therefore attracted the attention of the research community. However, we still lack a theoretical understanding of how to collect the labels from the crowd in an optimal way. In this paper we focus on the problem of worker allocation and compare two active learning poli...

Usually, combining admissible heuristics for optimal search (e.g. by using their maximum) requires computing numerous heuristic estimates at each state. In many cases, the cost of computing these heuristic estimates outweighs the benefit in the reduced number of expanded states. If only state expansions are considered, this is a good option. However, if time is of the essence, we can do better ...