Dialog:City's site-specific installations and related exhibitions and events begin today. Here's a sampling of what's on view:

* "Dialog:Denver," opening reception 6 to 8 p.m. today, Robischon Gallery, 1740 Wazee St. Through Sept. 20. Group show includes work by some "Dialog:City" artists and 16 noted local artists.

* The Karaoke Convention '08 launch event, 8 to 11 p.m. today in Supreme Court Cafe & Nightclub, 1550 Court Place. Organizers call this weeklong event designed by artist Daniel Peltz a "civic karaoke campaign."

* The Veteran Vehicle Project opens 8:30 to 10 p.m. Friday at East 14th Avenue and Grant Street, at dusk daily through Tuesday. Artist Krzysztof Wodiczko transforms a Humvee into a traveling media projection vehicle to tell the stories of Denver's homeless veterans.

* "Partly Sunny: Designs to Change the Forecast," opening reception 11 a.m. to 4 p.m. Sunday, then 10 a.m. to 6 p.m. through Aug. 29, Denver Pavilions. Design showcase presented by Charlie Cannon and the Rhode Island School of Design Innovation Studios.

* "Terra Nova: The Antarctica Suite," 7 p.m. Sunday, Ellie Caulkins Opera House, 14th and Curtis streets. Multimedia performance work by DJ Spooky, aka Paul Miller, offers an acoustic portrait of a rapidly changing continent.

* "Air Forest," 10 a.m. to 6 p.m. Tuesday through Aug. 29, City Park, in the meadow along the lake. Minsuk Cho designed this temporary pavilion as a structure that levitates by the compression of air. Numerous events are planned there.

* "Antagonistic Aesthetics": Mexican artist Gustavo Artigas talks about his work, 6 p.m. Tuesday, Museo de las Americas, 861 Santa Fe Drive.

* "Hindsight is Always 20/20," 10 a.m. to 6 p.m. Tuesday through Aug. 29, Denver Performing Arts Complex, 14th and Curtis streets. R. Luke DuBois examines the history of American political discourse through the metaphor of vision.

* "O," 5 p.m. Monday, Denver Performing Arts Complex, 14th and Curtis streets. Ann Hamilton works with Denver-based choirs.

* "Revolutionary Love: I Am Your Worst Fear," 5 p.m. Wednesday, 16th Street Mall, between Welton and California streets: Sharon Hayes gathers 100 people at both national conventions to read text addressing gender politics.

* "Artificial Intelligence is Better than No Intelligence," on view Sunday through Aug. 29 (opening reception and dialogue, 5 to 8 p.m. Thursday), The Lab at Belmar, 404 S. Upham St., Lakewood: Lynn Hershman Leeson's work involves an artificially intelligent, fully interactive personality named DiNA, who is running for president.

Dialog:City

* What: Site-specific art installations and related events sponsored by the Denver 2008 Host Committee

* When: Today through Aug. 29

* Admission: Free and open to the public

* Information and exhibition guides: dialogcity.org