I don't get it. What problem are you trying to solve by creating this database?
If you, as a dispenser of knowledge, don't know the pattern name, you can't establish a listing by name. If you plan on relying on Brackman's book to magically tell you the names of all the quilt patterns posted here on QB, you'll be very surprised. First off, the book is 19 years old (now out of print) and secondly, it only covers patterns thru 1970 since it's original printing was in 1979. How many of us are still using 42+ year old quilt patterns?
If you, as a seeker of knowledge, don't know the name, you can't search a listing by name.
If you do know the name, the Quilt Gallery, thanks to cat-on-a-mac, can easily get you to the photo, then the maker, then the posting, and then the relevant info or a PM to ask questions.
Nothing will solve the "problem" of pattern name ommissions from photo threads...if that is your goal. There are many reasons the posters don't add that info, all of them valid.