March 25, 2010
- Added results from ALNS heuristic for the PDPTW instances constructed for the paper
"An Adaptive Large Neighborhood Search Heuristic for the Pickup and Delivery Problem with Time Windows".

September 4, 2009
- Updated publication list.

August 21, 2009
- Updated publication list.
- Small update to description of PDPTW instances from "the paper An Adaptive Large Neighborhood Search Heuristic for the Pickup and Delivery Problem with Time Windows"

March 20, 2009
- Updated table with CVRP results obtained by heuristics.

October 21st, 2008
-Home page finally updated...
-Updated publication list.
-Updated contact information.
-Updated job information.

November 26th, 2007
-Added new version of the paper: "Branch-and-Cut-and-Price for the Pickup and Delivery Problem with Time Windows".
-Added instances used in the above mentioned paper. 
-Added a note about the VRPBTW instances on the web-page.

November 19th, 2007
-Updated publication list.
-Added data sets for the traveling salesman problem with pickup and delivery.
-Added best known solution tables for the CVRP
-Cleaned up a bit.

February 2, 2007
- Added three more papers to list of publications. 
- Updated references in publication list.
- Added a new best solution from Yuvraj Gajpal to the table of best MVRPB solutions.

July 20, 2006
Homepage finaly updated!
- Added Ph.D. thesis.
- Added revised version of the paper "Models and a Branch-and-Cut Algorithm for Pickup and Delivery Problems 
with Time Windows".
- Changed address and affiliation.

August 8, 2005
- Updated the "An Adaptive Large Neighborhood Search Heuristic for the Pickup and Delivery Problem with Time Windows" paper. 
- Added instances from the paper mentioned above (finally!).

July 15, 2005
- Added "Models and a Branch-and-Cut Algorithm for Pickup and Delivery Problems with Time Windows" to list of papers.
- Fixed a few bad links.
- Added pictures from Route 2005.
- Changed the picture on the main page (it's from Montreal).

February 25, 2005
- Updated publication list, added pdf files.
- Minor changes.

September 27, 2004:
- Updated publication list, added pdf files.
- Added list of current research projects.
- Minor changes.

December 9, 2003:
- Added VRPBTW solution checker.
- Added link to GOBLIN.

November 17, 2003:
- Added VRPBTW problems to benchmark section
- Added the link to the "INFORMS OR/MS Resource Collection".

November 14, 2003:
- Added list of publications.
- Added VRP benchmark problem section.
- Added "Teaching" section.

October 2, 2003:
- Added pictures from trip to HHLA in Hamburg.
- Added link to www.vehiclerouting.dk

September 16, 2003:
- Fixed my telephone number (to the phone in the new office).

September 5, 2003:
- Added pictures from Lithuania, ISMP2003, and geometric network design workshop.
- Reduced the size of the pictures from Norway.
- Fixed my office number (I changed office last monday).
- Added Esters drawing to front page.
- Added link to Wolfgang Garns VRP page.
- Added link to COIN-OR page.
- Added link to Transvisions home page.

August 14, 2003:
- Tracker code added.
- A picture is added to the front page.