Wen-Chiao Hsu

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Purpose – The purpose of this paper is not only to design a more effective recommendation system for libraries, but also to eliminate many of the weaknesses found in the existing library recommender systems. Design/methodology/approach – A novel library recommender system was designed for English collections by integrating personal ontology model and(More)
Due to the wide-spread deployment of business-to-business (B2B) E-commerce, XML has become the standard format for data exchange over the Internet. How to process XML queries efficiently is an important research issue. Various indexing techniques have been proposed in the literature. However, they suffer from some of the following problems in various(More)
With the advent of the era of big data, cloud computing technology is one of the promising solutions. Many theories and methods, which are originally designed for stand-alone computer, must be re-examined for the applicability in the cloud. For example, most of the XML indexing methods discussed in the literature are suitable for processing small XML files(More)
Phrase query evaluation is an important task of every search engine. Optimizing the query evaluation time for phrase queries is the biggest threat for the current search engine. Usually, phrase queries are a hassle for standard indexing techniques. This is generally because, merging the posting lists and checking the word ordering takes a lot of time. This(More)
For efficiently querying XML documents, many indexing methods have been proposed. There is an issue that needs to be explored. As XML documents proliferated in the WWW, queries with the same pattern to the same document may occur frequently. In that case, same query would be reevaluated over and over again. In this paper, we proposed a double-index system(More)
Financial statements of all listed and over the counter (OTC) companies collected by stock exchange represent valuable big open data. Therefore, automatic processing and analyzing such big data would create tremendous added value economically. In this paper, we design and implement a cloud service for evaluating company's financial health using XBRL-based(More)
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