Zusammenfassung
The web has greatly improved the accessibility of scientific information, however the role of the web
in formal scientific publishing has been debated. Some argue that the lack of persistence of web resources
means that they should not be cited in scientific research. We analyze references to web resources in
computer science publications, finding that the number of web references has increased dramatically in
the last few years, and that many of these references are now invalid. We also find that most invalid web
references can be relocated easily. We argue that, while formal references to published articles should
always be used when possible, web references help to improve communication and progress in science.
However, citation practices need to be improved to minimize future loss. We provide recommended
practices for citing web resources, and discuss methods for relocating invalid references.
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