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Copyright of Journal of Shenyang Agricultural University is the property of Journal of Shenyang Agricultural University Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Transactions of the Chinese Society of Agricultural Engineering is the property of Chinese Society of Agricultural Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Considering the phenomenon that several partial paths were recorded by the users in most social networks， a fast source localization method based on partial paths was provided by using the previous source localization method based on observers. The four cases of screening candidate sources were analyzed based on the proposed method， which made use of the partial paths recorded by the observers. By screening candidate sources， the purpose of reducing the computing expense and improving the location efficiency was achieved. The results of experiments on model network showed the effectiveness of the method. [ABSTRACT FROM AUTHOR]