A claim is just a list of "AND" conditions, i.e. all the conditions must be met for the claim to be asserted. To defeat a patent claim, it's a matter of adding enough variance in your code to defeat ONE of the conditions.
I will demonstrate the decrypting of claim 1. The other claims are just dependent claims of 1 to make the whole thing looks meatier. If claim 1 is defeated, all other claims are irrelevant.
Claim 1 basically saying a user issues a query with two parameters on two tables to do search in a program in the local machine, with the following conditions:
1a. the query runs against two data sets, Table1 and Table2.
1b. Table1 has one type of data, e.g. Food. Table2 has another type of data, e.g. Drink.
1c. the query has two parameters: param1, param2. E.g. FoodEaten and DrinkConsumed
1d. parse the query to use Param1 against Table1, and to use Param2 against Table2. E.g. select * from Food where food_type=:FoodEaten union select * from Drink where drink_type=:DrinkConsumed
1e. the query result should based on the parsing of the query and the mapping of parameters to the tables. The result should relate to the parameters in the query.
1f. the whole procedure is run by a process in a computer.
See, it's not too bad once you break it down. The claim conditions are kind of BS individually. The basic idea of the patenting process is to string together a number of day-to-day common items and make the whole thing as patentable.
To defeat claim 1, just make one of the conditions false. The easiest is to attack 1c, which uses the phrase "comprises a first token and a second token," which means the query contains exactly two tokens as parameters. Just add a dummy parameter to all 2-parameter query to fail that condition.
Attacking 1a with more than 2 tables query also works.
Also breaking a 2-table query into two separate queries works, too.
Since claim 1 is gone, all other dependent claims are irrelevant.
Disclaimer: the above are purely for educational purpose only and are not considered as legal advice. Consult a lawyer for real legal advice.