Methodology

A methodology is a defined way of doing something. You have quoted a huge mixed bag - most of these just dont seem to fit your question. Try whatis.com some time to further your education.

JAD = Joint application development, try http://www.credata.com/research/jad.html

ADSA is a document search technique (mainly internet based) see http://cnds.ucd.ie/adsa/

EIS isn't a methodology but a class of applications. Executive (or enterprise) Information Systems - not well defined but something of MIS and data warehouse with data mining to give executives analysis and "what ifs" on their business data. see www.sas.com who seem to have started this term with a white paper about 10 years ago.

ADW is a software company from Belgium. Seehttp://www.pythagoras.net/index2.htm
Or a development tool for ARM microprocessor in the embedded systems world - see http://www.arm.com/arm/dev_tools?OpenDocument
Or a different developer environment (Advanced Development Workbench) known as Cool Enterprise, from Computer Associates

"System W" I haven't heard of and can't find a reference for. You need to be more specific about your context for people to make sence of these abbreviations.