1.   Computerized reservation systems help airline profits in several ways.

2.   And Northwest Airlines and Continental Airlines, which rely on computerized reservations systems other than Apollo, reportedly are developing their own disk-based products.

3.   Displaying these fares on computerized reservation systems would, however, significantly increase demand, which airlines would find unacceptable.

4.   Houston-based Continental Airlines has gotten out of the computerized reservation system business.

5.   Internet Web sites also allow airlines to bypass the existing computerized reservation systems that charge the airlines for booking tickets.

6.   It is also a big account for Amadeus, the computerized reservation system.

7.   Many stock pickers lately have been selling, not buying, equities in the computerized reservations companies.

8.   Moreover, technologies like computerized reservation services and automatic teller machines mean that even robust airlines and banks do not need myriad branch offices.

9.   Menno Travel in Goshen, Ind., for example, uses a computerized reservations system called Cornerstone.

10.   Other potential areas of cooperation include cargo flights as well as the sharing of frequent flier databases and computerized reservation systems, analysts said.