There is every indication that it is a "typo" as others have suggested.
The original text is as below, in relation to a 'pervasive systems' research incentive at a European university. Anyone else may find it in the same way that I did :-) :
Have you ever tried to solve a puzzle blind folded? As strange as it may sound, it can be done if somebody next to you can act as your eyes; sees what you need to see and think for you. This is exactly what this project aims at doing but instead of having a person next to you, a body area network composed of compass and tilt sensors and RFIS tags will help you.
The idea is through grouping, object identification, and recognizing interaction between hand and puzzle pieces to build an intelligent guide to help blind people to solve puzzles. Each puzzle piece needs to be identified, its association with other pieces needs to be recognized and guidance and feed back (in forms of voice or hepatic feedback ) should be given to the player while choosing puzzle pieces and trying to put the pieces in the right place with right orientation.
The term has no special meaning in "pervasive systems" .
The term is used in this document in answer to Q2.10
- Pervasive computing using RFIS, multi-touch.
but it seems more likely to be a typo here than a new acronym.
It is common for people to make keyboard errors with no awareness of having done so.
In another lifetime I worked for NZ Telecom. A newspaper article complained about the poor quality of city telephone service. Amongst other things they complained about excessive "wrong numbers". They provided an example list of target companies whose numbers had (allegedly) been dialled, and the companies which had been reached instead. Out of a list of about 10 companies I was able to show that in all except one or two cases there was a logical connection between the intended number and the actual number of the company dialled. Sometimes a transposition (eg 32 instead of 23), sometimes an adjacent digit dialled (as in teh [<- whoops :-) ] case here of RFID and RFIS and sometimes an added or omitted leading digit.