Error message

  • Notice: Undefined variable: _SESSION in tracking_init() (line 27 of C:\xampp\htdocs\rsds\sites\all\modules\rsds\tracking\tracking.module).
  • Warning: file_get_contents(http://user-agent-string.info/rpc/get_data.php?key=free&format=ini&ver=y): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in UASparser->get_contents() (line 247 of C:\xampp\htdocs\rsds\sites\all\modules\rsds\tracking\UASparser\UASparser.php).
  • Warning: file_get_contents(http://user-agent-string.info/rpc/get_data.php?key=free&format=ini): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in UASparser->get_contents() (line 247 of C:\xampp\htdocs\rsds\sites\all\modules\rsds\tracking\UASparser\UASparser.php).

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Salvatore Greco
University of Catania, Corso Italia, Italy

Salvatore Greco received his degree in economics from the Faculty of Economics of Catania University in 1988. He had been assistant researcher at Faculty of Economics of the University of Catania since 1994, associate professor since 1998 and he has been full professor since 2001. Currently he teaches Decision Theory and General Mathematics at the Faculty of Economics of University of Catania. His main research interests are in the field of multicriteria decision aid and in the application of the rough set approach to decision analysis. He is a member of the A.M.A.S.E.S. (Italian Association for Mathematics Applied to Economic and Social Sciences), A.I.R.O. (Italian Association of Operational Research) and U.M.I. (Italian Mathematical Society). He presented many invited contributions in international conferences and published several articles in prestigious journals. For his research on rough set approach applied to multiple criteria decision analysis together with Benedetto Matarazzo and Roman Slowinski received the Best Theoretical Paper Award, by the Decision Sciences Institute (Athens, 1999). Together with Benedetto Matarazzo he organized the fifth Summer School in Multicriteria Decision Analysis (Acireale, 2000). He has been invited professor at the Poznan University of Technology and at the University of Paris Dauphine. Together with Josè Figueira and Matthias Ehrgott edited a collection of state of art surveys in multiple criteria decision analysis.
Error | Rough Set Database System

Error

Error message

  • Deprecated function: Methods with the same name as their class will not be constructors in a future version of PHP; backup_file has a deprecated constructor in require_once() (line 279 of C:\xampp\htdocs\rsds\sites\all\modules\backup_migrate\backup_migrate.module).
  • Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\rsds\includes\common.inc:2773) in drupal_send_headers() (line 1486 of C:\xampp\htdocs\rsds\includes\bootstrap.inc).
  • PDOException: SQLSTATE[42S02]: Base table or view not found: 1146 Table 'rsds_data_kdrach.variable' doesn't exist: SELECT 1 AS expression FROM {variable} variable WHERE ( (name = :db_condition_placeholder_0) ); Array ( [:db_condition_placeholder_0] => cron_last ) in variable_set() (line 1245 of C:\xampp\htdocs\rsds\includes\bootstrap.inc).
The website encountered an unexpected error. Please try again later.

Uncaught exception thrown in shutdown function.

PDOException: SQLSTATE[42S02]: Base table or view not found: 1146 Table 'rsds_data_kdrach.semaphore' doesn't exist: DELETE FROM {semaphore} WHERE (value = :db_condition_placeholder_0) ; Array ( [:db_condition_placeholder_0] => 20506844555b27e9fd93a244.59862286 ) in lock_release_all() (line 269 of C:\xampp\htdocs\rsds\includes\lock.inc).