The phrase "adequate information base" is correct and usable in written English.
You can use it when referring to a sufficient foundation of information or data that supports a decision or analysis.
Example: "In order to make informed decisions, we need to ensure that we have an adequate information base to work from."
Alternatives: "sufficient information foundation" or "reliable data source".
Requisite studies to provide an adequate data base are outlined.
For instance, during times of austerity holding adequate information upon which to base the allocation of scarce resources allocation is essential.
(2) If the FWS does not have adequate information upon which to base the determination, the Agency shall consult wetland inventories maintained by the Army Corps of Engineers, the Environmental Protection Agency, various states, communities and others.
(3) If state or other sources do not have adequate information upon which to base the determination, the Agency shall carry out an on-site analysis performed by a representative of the FWS or other qualified individual for wetlands characteristics based on the performance definition of what constitutes a wetland.
The culture heritage of the Valley, based on adequate information, will be protected.
This work aimed to find a rational nutrient feeding strategy for cider vinegar fermentation based on adequate information on the nutritional requirement of acetic acid bacteria.
Traces interpreted as having been made by crouching or resting theropods are exceptionally rare: only six examples have been reported based on adequate information.
Tailored feedback is likely to be most engaging when it is based on adequate information about the participant and acknowledges their pre-existing beliefs.
Later, it has become increasingly obvious that factors other than these strictly theoretical assumptions also influence the decision whether or not to buy health insurance; factors such as those involved in making individual rational decisions based on adequate information.
In perfect markets, not only is efficiency achieved, but so is accountability, as each consumer has made her own decision based on adequate information, and the terms of the agreement between the consumer and supplier can be enforced against the supplier using contract law.
