@electronic{www.ai.sri.com,
   title       = {ie}, 
   url         = {http://www.ai.sri.com/~muslea/PS/ml4ie-aaai99.pdf},
   biburl      = {https://puma.uni-kassel.de/url/bf4faa3652c50e73e5cb17f04275b901/hotho},
   keywords    = {extraction information survey ie},
   added-at    = {2007-03-01T11:39:46.000+0100},
   description = {},
   interhash   = {bf4faa3652c50e73e5cb17f04275b901}, 
   intrahash   = {bf4faa3652c50e73e5cb17f04275b901}
}

@electronic{ieg.ifs.tuwien.ac.at,
   title       = {ie}, 
   url         = {http://ieg.ifs.tuwien.ac.at/techreports/Asgaard-TR-2005-6.pdf},
   biburl      = {https://puma.uni-kassel.de/url/800db0d5f614ae54c1f5fff965cde5dd/hotho},
   keywords    = {extraction information survey ie},
   added-at    = {2007-03-01T11:39:21.000+0100},
   description = {},
   interhash   = {800db0d5f614ae54c1f5fff965cde5dd}, 
   intrahash   = {800db0d5f614ae54c1f5fff965cde5dd}
}