Open AccessSummary of web crawler technology research
Author(s) -
Linxuan Yu,
Yeli Li,
Qingtao Zeng,
Yanxiong Sun,
Yuning Bian,
Wei He
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1449/1/012036
Subject(s) - web crawler , focused crawler , computer science , world wide web , key (lock) , information retrieval , web page , web navigation , static web page , computer security
With the continuous development of network information technology, there is a large amount of unstructured data called big data on the network. Human resources to collect information laborious, so web crawler technology came into being. This paper explores the basic principle and characteristics of web crawler and the classification of current popular crawler, introduces the key technology of crawler, compares two search strategies and the current application of crawler. Finally, the future research direction of web crawler is introduced.