Asimov Table 1.

Example of knowledge base constructed from the information in pages 1-25 of Blaikie et al. (1994). The facts are in a form which could be understood by the AI language, prolog.
 

 
 
effect("road network",+,"urban diseases",+,1,16).
effect("urban diseases",+,"disaster vulnerability",+, 1,16).
effect("road network",+,"access to clinics",+, 1,16).
effect("access to clinics",+,"disaster vulnerability",-,1,16). 
 
effect("road network",+,"arable land",-,1,16).
effect("arable land",-,"famine vulnerability",+,1,16).
effect("road network",+,"access to food sources",+,1,16).
effect("access to food sources",+,"disaster vulnerability",-, 1,16).
 
effect("road network",+,"drift to cities",+, 1,16). 
effect("drift to cities",+,"local labor",-,1,16).
effect("local labor",-,"crop yield",-,1,16). 
effect("crop yield",-,"famine vulnerability",+,1,16).
effect("local labor",-,"building maintenace",-,1,16).
effect("building maintenace",-,"earthquake vulnerability",+, 1,16).
effect("local labor",-,erosion,+,1,16).
effect("drift to cities",+,migration,+,1,16).
effect(migration,+,"local institutions",-,1,25).
effect(migration,+,"local knowledge",-,1,25).
effect("local knowledge",+,"familiarity with land",+, 1,25).
effect("familiarity with land",-,income,-,1,17).
effect("familiarity with land",-,nutrition,-,1,17).
effect(nutrition,-,malnourishment,+,1,24).
effect(malnourishment,+,"disaster vulnerability",+, 1,24).