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Liping Wang


Publications by Liping Wang (bibliography)

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Wang, Liping, Li, Qing, Li, Na, Dong, Guozhu and Yang, Yu (2008): Substructure similarity measurement in Chinese recipes. In: Proceedings of the 2008 International Conference on the World Wide Web 2008. pp. 979-988. http://doi.acm.org/10.1145/1367497.1367629

Improving the precision of information retrieval has been a challenging issue on Chinese Web. As exemplified by Chinese recipes on the Web, it is not easy/natural for people to use keywords (e.g. recipe names) to search recipes, since the names can be literally so abstract that they do not bear much, if any, information on the underlying ingredients or cooking methods. In this paper, we investigate the underlying features of Chinese recipes, and based on workflow-like cooking procedures, we model recipes as graphs. We further propose a novel similarity measurement based on the frequent patterns, and devise an effective filtering algorithm to prune unrelated data so as to support efficient on-line searching. Benefiting from the characteristics of graphs, frequent common patterns can be mined from a cooking graph database. So in our prototype system called RecipeView, we extend the subgraph mining algorithm FSG to cooking graphs and combine it with our proposed similarity measurement, resulting in an approach that well caters for specific users' needs. Our initial experimental studies show that the filtering algorithm can efficiently prune unrelated cooking graphs without affecting the retrieval performance and the similarity measurement gets a relatively higher precision/recall against its counterparts

© All rights reserved Wang et al. and/or ACM Press

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Lao, Guoling and Wang, Liping (2005): Application of e-commerce security management strategy in banking. In: Li, Qi and Liang, Ting-Peng (eds.) Proceedings of the 7th International Conference on Electronic Commerce - ICEC 2005 August 15-17, 2005, Xian, China. pp. 627-632. http://doi.acm.org/10.1145/1089551.1089664

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Ding, Dawei, Yang, Jun, Li, Qing, Wang, Liping and Wenyin, Liu (2004): Towards a flash search engine based on expressive semantics. In: Proceedings of the 2004 International Conference on the World Wide Web 2004. pp. 472-473. http://doi.acm.org/10.1145/1013367.1013531

Flash, as a multimedia format, becomes more and more popular on the Web. However, previous works on Flash are totally based on low-level features, which make it unpractical to build a content-based Flash search engine. To address this problem, our paper proposes expressive semantics for bridging the gap between low-level features and user queries. To smoothly incorporate expressive semantics into a search engine, an eigenvector-based model is devised to map a user query to expressive semantics with the aid of link analysis method. Our experiment results confirm that expressive semantics is a promising approach to understanding and hence searching Flash movies more efficiently.

© All rights reserved Ding et al. and/or ACM Press

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