. .. Method, 82 5.4.1.1 Comparative evaluation with state-of-the-art baselines . . 82 5.4.1.2 Performance in terms of execution time, p.86

. .. Approach, , p.90

. .. Trec-results, 91 5.4.4.1 Comparison with TREC MB-RTF 2015 official results

.. .. Conclusion, 95 6 learning to filter tweet stream 97

.. .. Tweet-filtering, 98 6.2.1 Learning to filter tweet in real-time

.. .. Features-design,

D. .. Results, 108 6.5.3 Impact of social signals in real-time tweet filtering

.. .. Conclusions,

D. .. Results, 128 7.4.3 Comparative evaluation with state-of-the-art baselines and the official TREC results, p.130

.. .. Scalability,

.. .. Conclusions,

. B-i-b-l-i-o-g-r-a-p-h-y,

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