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区间值模糊图的若干运算及相关性质
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作者 华毛加 索南仁欠 《西北民族大学学报(自然科学版)》 2020年第4期1-6,共6页
定义两个区间值模糊图的五种新的乘积运算,并证明两个区间值模糊图的偏模糊子图的弱乘积、经典乘积、直联、补乘积、结合是这两个区间值模糊图的弱乘积、经典乘积、直联、补乘积、结合的偏模糊子图,还说明强区间值模糊图类对这些运算的... 定义两个区间值模糊图的五种新的乘积运算,并证明两个区间值模糊图的偏模糊子图的弱乘积、经典乘积、直联、补乘积、结合是这两个区间值模糊图的弱乘积、经典乘积、直联、补乘积、结合的偏模糊子图,还说明强区间值模糊图类对这些运算的封闭性,最后给出与这五种运算相关的同构定理. 展开更多
关键词 区间值模糊图 乘积 经典乘积 直联 补乘积 偏模糊子图
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EncyCatalogRec: catalog recommendation for encyclopedia article completion
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作者 Wei-ming LU Jia-hui LIU +2 位作者 Wei XU Peng WANG Bao-gang WEI 《Frontiers of Information Technology & Electronic Engineering》 SCIE EI CSCD 2020年第3期436-448,共13页
Online encyclopedias such as Wikipedia provide a large and growing number of articles on many topics.However,the content of many articles is still far from complete.In this paper,we propose Ency Catalog Rec,a system t... Online encyclopedias such as Wikipedia provide a large and growing number of articles on many topics.However,the content of many articles is still far from complete.In this paper,we propose Ency Catalog Rec,a system to help generate a more comprehensive article by recommending catalogs.First,we represent articles and catalog items as embedding vectors,and obtain similar articles via the locality sensitive hashing technology,where the items of these articles are considered as the candidate items.Then a relation graph is built from the articles and the candidate items.This is further transformed into a product graph.So,the recommendation problem is changed to a transductive learning problem in the product graph.Finally,the recommended items are sorted by the learning-to-rank technology.Experimental results demonstrate that our approach achieves state-of-the-art performance on catalog recommendation in both warm-and cold-start scenarios.We have validated our approach by a case study. 展开更多
关键词 Catalog recommendation Encyclopedia article completion Product graph Transductive learning
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