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1

Detection algorithm for content on Internet web portals

100%

Ulman K., Rzecki K.

Czasopismo Techniczne

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PL

The paper shows steps, made during designing and implementing automatic web pages contents recognition algorithm, based on HTML structure analysis. A web page contents is the article text with its headline, without any other text like menu, advertisements, user’s comments, image captions, etc.

2

Remote server administration device

100%

Biernacki M., Rzecki K.

Czasopismo Techniczne

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PL

The remote administration often used applications running on the machine that is managed. In case of failure these applications may not be run what the administrator loses the ability to remotely manage. The paper presents the solution to this problem by using an external device. The hardware solution is independent of the managed machine. Use of easily available and inexpensive components significantly reduces the cost of device while the functionality is comparable to commercial solutions.

3

The Dynamics of the Distribution of co-authors

52%

Wójtowicz T., Rzecki K., Pławiak P., Niedźwiecki M., Sośnicki T., Wojtoń T., Smelcerz K., Tabor Z.

Czasopismo Techniczne

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PL

In the present paper, the case of a database of scientific articles is described. There can be observed the quantitative effects of the increasing strength of cooperation between scholars. It is manifested in time-related features changes of the numbers distribution of a single co-authors’ article. The distribution of the number of co-authors of an article recorded in the database evolves with time from a profile with no more than one author to a profile with several authors. A social dilemma model is proposed to explain the dynamics of changes in the distribution of the number of co-authors. The most successful strategy of the three considered alternative strategies of cooperation is selected.

4

Emergence of cooperation as a restult of mutation and inheritance in PD/PG-like game

52%

Wójtowicz T., Rzecki K., Pławiak P., Niedźwiecki M., Sośnicki T., Smelcerz K., Wojtoń T., Tabor Z.

Czasopismo Techniczne

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PL

The approach of evolutionary games like prisoner’s dilemma, among others, is based on a consistent strategy. We propose an experimentally verified system where cooperation can arise out of two simple factors: mutation and inheritance. This system has a social dilemma property and allows each agent to set its own desired number of participants. There are two essential mechanisms: fluctuation through which mutation leads to cooperation, and natural selection which tends to promote cheaters and therefore disrupts the cooperation. It is shown in numerical simulations that the interplay between both mechanisms leads to an equilibrium and that no intentional strategies are necessary to establish and sustain cooperation. Thus, starting from a population of non-cooperating agents, natural evolution can end with a population composed of cooperating groups with the mean group size determined by the fluctuation rate and the pay-off function. A thorough analytical explanation of numerical results is provided.

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4 Czasopismo Techniczne

2 2016

2 2015

4 Rzecki K.

2 Niedźwiecki M.

2 Pławiak P.

2 Smelcerz K.

2 Sośnicki T.

2 Tabor Z.

2 Wojtoń T.

2 Wójtowicz T.

1 Biernacki M.

1 Ulman K.

Detection algorithm for content on Internet web portals

Remote server administration device

The Dynamics of the Distribution of co-authors

Emergence of cooperation as a restult of mutation and inheritance in PD/PG-like game