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Different from traditional web page or database document, microblog has its unique features. Considering its sensitivity to the time, we introduce a new factor to improve the tweet retrieval effectiveness. The ranking score of a retrieved tweet is adjusted by the event identification algorithm (EIA). We evaluated our approach using 49 search topics and a total of 9,096,198 tweets collected provided...
Social media is rapidly changing the nature and speed of healthcare interaction. As more and more people go online to search for their health-related issues, providing them with appropriate information would save them from being overwhelmed by mountains of information. For this purpose, in this paper we propose a personalized healthcare recommending system to recommend highly relevant and trustworthy...
Over the past 10 years, the amount of usergenerated content has increased at phenomenal rates. However, due to a lack of common content descriptors, reliable website searches and access to this content is becoming increasingly difficult. There are third party products available that allow metadata descriptors to be created automatically but the formatting may not be compatible with the website database...
Recent rapid advancement in both pervasive mobile computing and cloud service has been driving numerous new applications in the ubiquitous media consumption. To provide mobile user with richer experiences, it is desired for the service providers to offer highly relevant recommendations of media content to the users by exploring user-user, user-media and user-context relationships. Furthermore, contemporary...
The increasing amount of available User-Created Content (UCC) has resulted in the need of efficient systems for the filtering of malicious content. In this paper, we discuss a system capable of detecting malicious content by relying on the use of semantic features. The semantic features are represented by the likelihood rate of elementary concepts (e.g., `breast', `bottom'). These elementary concepts...
There is an urgent need for metadata to accompany and describe media data essence. For the growing amount of personal content, user generated descriptors tend to be vague to the point of uselessness. Standardization in the metadata format is needed to allow a full and useful description of content that is interoperable between consumer devices. Manufacturers need to ensure that the metadata generated...
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