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In order to secure this privacy , the first impulse is to hastily lock the door , insuring that nothing short of a national emergency will intrude . A1 : Do n't panic ! This scenario is inconvenient ( to say the least ) to simulate in a data mining competition . Other related professionals refers to those who are represented by the same Collective Bargaining Agreement that represents teachers and other certified personnel and includes but is not necessarily limited to : cataloguers , educational reference librarians , text librarians , project assistants , principal investigators , researchers , and photographer technicians . Teachers , psychologists , psychiatrists , social workers , school nurses , attendants and visitation workers , work experience coordinators , remedial reading teachers , paraprofessionals , teaching assistants , therapy assistants , interpreters / Braillists , science materials specialists , cataloguers , educational reference librarians , text librarians , Title I coordinators , project assistants , principal investigators , researchers and photographer technicians . Our model undergoes a continuous phase transition as this parameter is varied , from a regime in which opinions are arbitrarily diverse to one in which most individuals hold the same opinion . These new programs use the text based interface documented in the user 's manual . A web-submission process for this document will be made available after the results submission phase is complete . In this phase of the project , you are to write a translation system , using flex and bison ( or lex and yacc ) , that translates a list of C expressions from infix to postfix notation . val phase : complex - > real Returns the phase of the complex number , in the range ( ~ Math.pi , Math.pi ) val fromPolar : { magnitude : real , phase : real } - > complex Converts from magnitude and phase to complex . In this phase , you are to use the grammar from phase 1 to build an expression tree for each expression in the input .