1. retrieval effect: from the retrieval effect, the two results will be different under different retrieval keywords. However, both VIP and HowNet have good retrieval performance and comprehensive retrieval results, which can meet the needs of most users.
2. Quantity of resources: HowNet has more academic resources than VIP, and also provides non-academic resources such as patents, standards and newspapers. VIP mainly provides academic journals, dissertations and conference papers, but its resources are gradually improving in depth and breadth.
3. Experience: In terms of experience, both of them are equipped with relatively perfect retrieval tools and search strategies, allowing users to complete the retrieval and acquisition of academic documents more efficiently. In addition, their operating interfaces are relatively friendly and easy to use.
4. Access mode: HowNet provides various access modes, including IP authentication, mobile application, VPN, etc. At present, VIP mainly provides academic literature access through IP authentication, and the mobile application is relatively simple.
Generally speaking, VIP and HowNet have their own advantages and disadvantages in academic literature retrieval, and users can choose to use them according to their own needs and actual conditions. If more comprehensive resources are needed, HowNet can be given priority. If you need more professional and accurate search results, you can also choose VIP.