| 1 |
ٌIntro- Web1 and Web 2 |
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| 2 |
Crowdsourcing systems |
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| 3 |
CS systems-challenges |
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| 4 |
Participatory sensing systems |
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| 5 |
Challenges of PS systems |
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| 6 |
Privacy in PS systems |
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| 7 |
Privacy in PS systems-2 |
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| 8 |
Social Networks |
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| 9 |
Social Networks-2 |
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| 10 |
Trust Management-intro |
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| 11 |
Trust Management-1 |
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| 12 |
Trust Management-1 |
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| 13 |
Trust Management-2 |
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| 14 |
Trust Management-2 |
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| 15 |
Trust Management-3 |
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| 16 |
Trust Management-3 |
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| 17 |
Trust Management-4 |
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| 18 |
Trust Management-4 |
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| 19 |
security protocols-1 |
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| 20 |
security protocols-2 |
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| 21 |
security protocols-3 |
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| 22 |
security protocols-4 |
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| 23 |
security protocols-5 |
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| 24 |
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| 25 |
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