Tomonari Kamba

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This paper describes techniques for maximizing the efficient use of small screen space by combining delayed response with semi-transparency of control objects ("widgets") and on-screen text. Most research on the limitations of small display screens has focused on methods for optimizing concurrent display of text and widgets at the same level of transparency(More)
Most online advertisement systems in place today use the concept of consumer targeting: Each user is identified and, according to his or her system setup, browsing habits and available off-line information, categorized in order to customize the advertisements for highest user responsiveness. This constant monitoring of a user's online habits, together with(More)
This paper describes the development of a streaming advertisement delivery system that controls the insertion of streaming advertisements into streaming content.Conventional personalization techniques lack a time-control function for advertisement insertion, so the advertisement exposure for each user access can become excessive, much to the annoyance of(More)
Because of the recent explosive increase in the number of WWW documents, directory services are indispensable in finding needed documents. In the keyword search function of most directory services, search results are displayed as a URL list ordered by importance calculated by the system, but the order sometimes does not have any meaning to the user since(More)
This paper proposes a method to present personalized information effectively using multiple anthropomorphous agents that know the user's preferences. Conventionally, techniques such as filtering and sorting are used to show the information customized for each user, but it is difficult to naturally reflect human multi-dimensional preferences in such a(More)