{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/69550"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/69550","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Mediators: A High-Level Language Construct for Distributed Systems (Programming, Synchronization, Temporal Logic)","abstract":"This thesis describes the mediated object construct. Mediated objects support synchronization and scheduling for systems programming within distributed systems. Mediated objects are based on a resource view of systems, and fit within a programming methodology that emphasizes resource modularity, synchronization modularity and encapsulated concurrency.","abstract_html":"This thesis describes the mediated object construct. Mediated objects support synchronization and scheduling for systems programming within distributed systems. Mediated objects are based on a resource view of systems, and fit within a programming methodology that emphasizes resource modularity, synchronization modularity and encapsulated concurrency.","abstract_has_math":false,"creators":["Grass, Judith Ellen"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Computer Science","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-12-15T19:25:42Z","date_published":"2014-12-15T19:25:42Z","updated_at":"2026-07-22T22:26:01Z","subjects":["Computer Science"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8623306"],"render_values":[{"text":"(UMI)AAI8623306","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/69550","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Grass, Judith Ellen"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-15T19:25:42Z","10000-01-01","1986"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Computer Science"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Computer Science"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/69550","(UMI)AAI8623306"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["This thesis describes the mediated object construct. Mediated objects support synchronization and scheduling for systems programming within distributed systems. Mediated objects are based on a resource view of systems, and fit within a programming methodology that emphasizes resource modularity, synchronization modularity and encapsulated concurrency.","A mediated object consists of an interface specification, a data abstraction construct (an object) and a separate mediator module that specifies synchronization and scheduling within the mediated object. The mediator displays many interesting features. These include: an adaptation of guarded commands; keys that allow requests to be examined and manipulated before they receive service; parallel guard execution; coupled and uncoupled modes of service execution.","The design of the mediated object construct is first presented informally with many programming samples. A temporal logic specification is also presented as a formal description of the construct. The temporal logic may be used for verifying mediated objects. A sample verification is included. Few practical languages have been specified with temporal logic. The specification provided helpful feedback during the development of the construct.","Finally, the thesis discusses a few aspects of implementation and offers suggestions for future research.","Made available in DSpace on 2014-12-15T19:25:42Z (GMT). No. of bitstreams: 1 8623306.pdf: 4492506 bytes, checksum: 45e6741fd278a1d64509b7fa237df509 (MD5) Previous issue date: 1986","Embargo set by: Seth Robbins for item 69716 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","127 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1986."]},{"key":"dc:title","label":"Title","values":["Mediators: A High-Level Language Construct for Distributed Systems (Programming, Synchronization, Temporal Logic)"]}]}],"canonical_facts":{"dc:creator":["Grass, Judith Ellen"],"dc:date":["2014-12-15T19:25:42Z","10000-01-01","1986"],"dc:description":["This thesis describes the mediated object construct. Mediated objects support synchronization and scheduling for systems programming within distributed systems. Mediated objects are based on a resource view of systems, and fit within a programming methodology that emphasizes resource modularity, synchronization modularity and encapsulated concurrency.","A mediated object consists of an interface specification, a data abstraction construct (an object) and a separate mediator module that specifies synchronization and scheduling within the mediated object. The mediator displays many interesting features. These include: an adaptation of guarded commands; keys that allow requests to be examined and manipulated before they receive service; parallel guard execution; coupled and uncoupled modes of service execution.","The design of the mediated object construct is first presented informally with many programming samples. A temporal logic specification is also presented as a formal description of the construct. The temporal logic may be used for verifying mediated objects. A sample verification is included. Few practical languages have been specified with temporal logic. The specification provided helpful feedback during the development of the construct.","Finally, the thesis discusses a few aspects of implementation and offers suggestions for future research.","Made available in DSpace on 2014-12-15T19:25:42Z (GMT). No. of bitstreams: 1 8623306.pdf: 4492506 bytes, checksum: 45e6741fd278a1d64509b7fa237df509 (MD5) Previous issue date: 1986","Embargo set by: Seth Robbins for item 69716 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","127 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1986."],"dc:identifier":["http://hdl.handle.net/2142/69550","(UMI)AAI8623306"],"dc:subject":["Computer Science"],"dc:title":["Mediators: A High-Level Language Construct for Distributed Systems (Programming, Synchronization, Temporal Logic)"],"dc:type":["text"],"thesis:degree_discipline":["Computer Science"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:01Z"}