SURVEY:SUMMARY:BUILD_DIFFICULTY[not_applicable, reasonable_effort, code_problematic or string] not_applicable SURVEY:SUMMARY:CLASSIFICATION[practical,theoretical,hardware] practical SURVEY:SUMMARY:CORRECT_CODE_LOCATION[string] SURVEY:SUMMARY:PUBLISHED_CODE[not_applicable, yes, no] no SURVEY:SUMMARY:SAME_VERSION[not_applicable, yes, no_but_available, no_and_not_available] not_applicable SURVEY:SUMMARY:STUDY_FOUND_CORRECT_CODE[not_applicable, yes, no] not_applicable SURVEY:AUTHOR1:BUILD_COMMENT[string] SURVEY:AUTHOR1:BUILD_DIFFICULTY[not_applicable, reasonable_effort, code_problematic or string] not_applicable SURVEY:AUTHOR1:BUILD_DIFFICULTY_COMMENT[string] none SURVEY:AUTHOR1:CLASSIFICATION[practical,theoretical,hardware] practical SURVEY:AUTHOR1:CLASSIFICATION_COMMENT[string] SURVEY:AUTHOR1:CORRECT_CODE_LOCATION[string] SURVEY:AUTHOR1:PUBLIC_COMMENT[string] The student who was working on this project graduated and left for Yahoo! Since employment, he did not respond to the first request for the code and after following up later, it was too late and he had cleared his systems and lost the code. SURVEY:AUTHOR1:PUBLISHED_CODE[not_applicable, yes, no] no SURVEY:AUTHOR1:SAME_VERSION[not_applicable, yes, no_but_available, no_and_not_available] not_applicable SURVEY:AUTHOR1:SAME_VERSION_COMMENT[string] none SURVEY:AUTHOR1:STUDY_FOUND_CORRECT_CODE[not_applicable, yes, no] not_applicable