A three-day event of presentations and discussion about photojournalism begins at 8.30 p.m. at the French Institute. The event will feature works by photographers Yannis Behrakis of Reuters, Nikos Pilos of Zuma Press and Lefteris Pitarakis of The Associated Press. To Wednesday. Tel. 210.921.0545 or log on to www.hcp.gr.

IEEE Computer Society hosts its annual international conference, titled “Tools with Artificial Intelligence,” starting at 9.30 a.m. at the cultural center of the University of Patras. To Wednesday. For details, log on to http://ictai07.ceid.upatras.gr.

The Union of Greek Criminologists hosts a scientific conference on “Current Criminal Law,” starting at 7 p.m. at the Athens Bar Association. For details log on to www.dsa.gr.

PASOK leader George Papandreou visits western Greece. To Wednesday.

The Institute of Communication hosts a two-day workshop on “Communication and Negotiation Skills,” starting at 9.30 a.m. at the Central Hotel in Plaka. To Wednesday. Tel. 210.331.8065 or log on to www.instofcom.gr.

PASOK leader George Papandreou to speak at the Ivanofeio indoor arena in Thessaloniki.

The US Consular Section will be closed today for internal administrative reasons.

The Center for Environmental Education in Paranesti, Drama, hosts a three-day seminar on “The Forest Ecosystem and Human Intervention,” in cooperation with the Education Ministry, starting at 4 p.m. at its premises in Drama. To Friday. Tel. 25240.21005.

The first Panhellenic conference on “Cognitive-behavioral Psychotherapy,” begins at the University of Patras. To Sunday. Tel. 2610.338.658 or log on to www.mhc.gr.

The Center of International and European Economic Law (CIEEL) is hosting a conference on “Public Procurement in the European Union – Recent Developments,” starting at 2 p.m. at the National Research Foundation. Tel. 210.361.1390 or log on to www.cieel.gr.

The Greek Society for Terminology hosts the sixth conference on “Greek Language and Terminology,” starting at 6 p.m. at the University of Athens. Friday’s session will take place at the French Institute, 31 Sina. To Saturday. Tel. 210.932.3243 or log on to www.eleto.gr.

The University of Crete is hosting its third congress on pathology, titled “New Trends in Pathology,” at the Candia Maris Hotel in Iraklion, Crete. To Saturday. Tel. 210.931.1004 or log on to www.eventmakers.gr.

The Hellenic Association of Travel and Tourist Agencies (HATTA) hosts a conference on “Organized Tours and the Protection of Tourists,” starting at 12.30 p.m. at Helexpo in Thessaloniki. Tel. 210.922.3522 or log on to www.hatta.gr.

The Center for the Greek Language is hosting a conference on “Translated Modern Greek Literature,” at 9 a.m. at the Ionic Center in Plaka. Tel. 210.363.6549 or log on to www.greek-language.gr.

Rectors of public universities to meet in Tripolis. Education Minister Evripidis Stylianidis will attend. To Saturday.

The first Panhellenic Biomedical congress begins at the Egnatia Grand Hotel in Alexanroupolis. To Sunday. For details, log on to www.bio-medical.gr.

Municipal workers stage a 24-hour strike in support of wage and pension demands. At 11 a.m. they will hold a protest march to the Interior Ministry.

The University of Ioannina hosts an international conference on “The Marshall Plan: Reconstruction and Polarization of Europe,” at the university campus in Ioannina. To Saturday. For more information, log on to www.uoi.gr.

Eco-Q magazine hosts a conference on “Environmental Management and Health Care,” at the Stratos Vassilikos Hotel in Athens. Tel. 210.602.6454.

PASOK national convention. To Sunday.