ISI is getting a hard time

Everyone now cares more about the notorious Impact Factor made by ISI in the academic field.  It most often heard when somebody publish a paper:”How much is the impact factor of the journal?”.  Yeah, people don’t care much whether researchers in your field ever read the journal or not, but how high IF can be.  And hence the journals are also in the panic of get high IF.  Then a lot of journals questioned the method ISI used, but nothing change.  Recently, people at Rockefeller University Press decided to buy the database and calculate the IF by themselves.  The formula used by ISI to calculate IF is far too simple, but they couldn’t get it right: people of RUP can’t calculate the IFs as ISI stated even when ISI sent them another version of the database.  Read the story by following the links below(all need no subscription):Show me the data ISI’s replyRUP’s reply to ISI’s