Civil unrest in the Gulf kingdom forced the cancellation of last year's event and there have been repeated calls for this year's race to be abandoned.
It said it can see "no link whatsoever" between the twin blasts in Boston and the London event, but officer numbers will be up 40% on last year's event.
He has won the event six times on the trot before injury ruled him out of last year's event.
Ed Miliband addressed the crowds at last year's event, saying he was "proud" to be there.
The showpiece at last year's event was the reconstructed 18 meter-long "popemobile" of Pope John Paul II.
Festival organisers have written to the 115 producers who took part in last year's event explaining the situation.
But Bochum, the venue for last year's event, decided it could not handle the crowds and called it off.
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Woods, who missed last year's event while recovering from knee surgery, made up for an otherwise disappointing day at the last.
Last year's event was themed around the idea of software to help farmers and other users tackle issues raised by climate change.
At last year's event, no player ranked in the world top 20, apart from Luke Donald, finished within seven strokes of the winner, Matt Kuchar.
Organisers of last year's event hailed it as a great success.
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"I knew that if I could keep my serve strong it would make things hard (for Gambill), " said Suzuki, who finished in the quarter-finals in last year's event.
Last year's event was marred by heavy rain, which turned many car parks into mud baths with some festival-goers forced to sleep in their cars as traffic became gridlocked.
The focus of last year's event was smart TV interfaces, but attention has swung back to the screens themselves this year with Sony and others declaring 4k's time has come.
The band of last year's event might not have the subtlety of the Prodigy or Chase And Status but they do have one trick (Rob Swire's synth) which works superbly well.
Meanwhile, a number of high-profile bankers -- especially from Wall Street -- are expected in Davos, after shunning last year's event, in an attempt to avoid the unquestionable hostility directed towards their sector.
Williams won last year's event when it was held on blue clay -- an unpopular experiment that was later banned by the tennis authorities -- but she has not played in a final on red dirt since 2002.
Keshi made big changes after Nigeria failed to qualify for last year's event in Equatorial Guinea and Gabon -- a turbulent period for the national team, which was suspended from international football by President Goodluck Jonathan before world ruling body FIFA threatened to intervene.
Robert Dunlop won last year's 125cc event, after a battle with long-time race rival, Welshman Ian Lougher.
Last year's inaugural event was dogged by bad weather and handicap rows, while attendances were poor as the competition was forced into a fifth day with a Monday finish.
FIA, the sport's world governing body, will have an extra observer at the four-day event after last year's incident when the Ford Focus of Carlos Sainz hit a radio-car and hit a group of spectators, injuring 13 people.
At this year's event last month, he was looking to sell the Ontario-based gold miner after financing dried up.
Roberts won last year's World Rally Championship Academy event, alongside Breen.
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Last year the Northern Ireland Trophy was an invitational event but this year's competition has ranking points.
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Rossi will be driving a Peugeot 206 with Carlo Cassina as his co-driver in the rally, the last event in this year's world championship.
She said she had discussed the issue with Olympic gold medallist Victoria Pendleton, who was only able to compete in one sprint cycle event at last year's Beijing Games while team-mate Chris Hoy won three golds in the discipline.
Kvitova, who also lost to Vinci last weekend in the final of the Katowice event in Poland, must now beat last year's French Open runner-up Errani to prevent Italy taking an unbeatable 3-0 lead in the best-of-five rubber.
South Africa are among the favorites to land the 4x400m title after finishing second in last year's world championships in Daegu in the event.
"It was the same for me last year and the year before, " Davydenko, who qualified for 2008's season-ending event in Shanghai, told the ATP Tour Web site.
The organisers of a Lincolnshire music festival have said this year's event will be the last.
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