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the greedy dog
பேராசை கொண்ட நாய்
Last Update: 2022-08-10
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if only i could get the bone also he thought hungrily i would have a rea good meal thinking thus the greedy dog jumped into the water barking aloud
வழியில் நாய் ஒரு சிறிய நீரோடைமீது கட்டப்பட்ட ஒரு பாலத்தைக் கடக்க வேண்டியிருந்தது. பாலத்தைக் கடக்கும்போது தண்ணீரில் தனது சொந்த பிரதிபலிப்பைக் கண்டார். அதைப் பார்த்த அவர் தண்ணீரில் எலும்புடன் மற்றொரு நாய் இருப்பதாக நினைத்தார்
Last Update: 2021-11-22
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today many online business sites springs everyday and tend to attract peoples to sell their product.the amount of propagation of information is steadily increased in online social networks such as facebook and twitter. influence maximization is introduced to maximize the profit of viral marketing in social networks. the weakness of influence maximization is that it does not distinguish specific users from others, even if some items can be only useful for the specific users. for such items, it is a better strategy to focus on maximizing the influence on the specific users. in this paper, we formulate an influence maximization problem as query processing to distinguish specific users from others. we show that the query processing problem is np-hard and its objective function is submodular. we propose an expectation model for the value of the objective function and a fast greedy-based approximation method using the expectation model. for the expectation model, we investigate a relationship of paths between users. for the greedy method, we work out an efficient incremental updating of the marginal gain to our objective function. we conduct experiments to evaluate the proposed method with real-life datasets, and compare the results with those of existing methods that are adapted to the problem. from our experimental results, the proposed method is at least an order of magnitude faster than the existing methods in most cases while achieving high accuracy.
தமிழ் மொழிபெயர்ப்பு ஆங்கிலம் பத்தி ஆன்லைன்
Last Update: 2015-11-23
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