What is the difference between a database, a search engine and a subject gateway?

2002 ◽  
Vol 1 (1) ◽  
pp. 61-64
Author(s):  
Roger Cowell
Keyword(s):  
Search Engine ◽  
The Difference

scholarly journals Search Engine Advertising (SEA) Or Organic Links: Do Customers See The Difference?

2012 ◽  
Vol 10 (3) ◽  
pp. 179 ◽  
Author(s):  
Andrzej Kobylanski
Keyword(s):  
Search Engine ◽  
Business Students ◽  
Critical Factor ◽  
Internet Users ◽  
Perceptions And Attitudes ◽  
Specific Category ◽  
Search Engine Advertising ◽  
Sponsored Links ◽  
The Difference ◽  
Marketing Tool

This study seeks to investigate the perceptions and attitudes of internet users toward the sponsored link. In light of this study, respondents do not express greater bias with sponsored links in comparison with traditional advertising media, as well as in comparison with organic links. Among factors that mostly affect searchers attitudes, the informativeness is the critical factor; however, no specific category of information will significantly increase the respondents likelihood to explore a sponsored link. It is rather text relevance to the keyword typed by the searcher that makes a link attractive. Results also indicate that business students recognize a great value and potential benefits of using search engine advertising as a marketing tool.

Google and the Government of China: A Case Study in Cross-Cultural Negotiations

2017 ◽  
pp. 1-15
Author(s):  
Christopher Grogan ◽  
Jeanne Brett
Keyword(s):  
Search Engine ◽  
High Speed ◽  
Business Environment ◽  
Chinese Government ◽  
Long Term Effects ◽  
Short Term ◽  
The Difference ◽  
The Government ◽  
Cultural Negotiations ◽  
Google Search

Based on the negotiation between Google and the Chinese government to allow access by Chinese citizens to a high-speed Chinese version of the Google search engine. In order to reach agreement with the Chinese government, Google had to agree to allow the government to censor access to some sites turned up by Google's search engine. In agreeing, Google compromised its open-access policy. There were inquiries into the agreement by the U.S. Congress and some outcry from U.S. citizens.To learn how to analyze a negotiation from the perspective of each party when one is a government and the other a private-sector organization; a subpoint here is the difference between short-term and longer-term interests. To address the difficulties of balancing business ethics and financial objectives; an important point here is to address what it means to be ethical in a for-profit business environment. To understand the long-term effects of short-term actions.

scholarly journals Bayes-Nash Equilibrium of the Generalized First-Price Auction

2015 ◽  
Vol 2015 ◽  
pp. 1-9 ◽  
Author(s):  
Xiaohu Han ◽  
Shulin Liu
Keyword(s):  
Nash Equilibrium ◽  
Incomplete Information ◽  
Explicit Expression ◽  
Search Engine ◽  
Reserve Price ◽  
Price Auction ◽  
Expected Revenue ◽  
The Difference ◽  
Optimal Reserve

We analyze the generalized first-price auction under incomplete information setting. Without setting a reserve price, the efficient symmetrical Bayes-Nash equilibrium is characterized and found to be increasing as the number of bidders is sufficiently large. Then, the explicit expression for the expected revenue of the search engine is found and the effect of the click rates of all the positions on the expected revenue is obtained. Finally, with setting of the reserve price, we have found the optimal reserve price and examine how the difference of the search engine’s revenues with setting reserve price and without setting reserve price varies with the reserve price.

scholarly journals Linear Regression Evaluation of Search Engine Automatic Search Performance Based on Hadoop and R

2020 ◽  
Author(s):  
Hong Xiong
Keyword(s):  
Linear Regression ◽  
Search Engine ◽  
Search Engines ◽  
Relevant Information ◽  
Search Performance ◽  
Search Results ◽  
Automatic Search ◽  
The Difference ◽  
Feasible Solutions ◽  
Public Datasets

The automatic search performance of search engines has become an essential part of measuring the difference in user experience. An efficient automatic search system can significantly improve the performance of search engines and increase user traffic. Hadoop has strong data integration and analysis capabilities, while R has excellent statistical capabilities in linear regression. This article will propose a linear regression based on Hadoop and R to quantify the efficiency of the automatic retrieval system. We use R's functional properties to transform the user's search results upon linear correlations. In this way, the final output results have multiple display forms instead of web page preview interfaces. This article provides feasible solutions to the drawbacks of current search engine algorithms lacking once or twice search accuracies and multiple types of search results. We can conduct personalized regression analysis for user’s needs with public datasets and optimize resources integration for most relevant information.

scholarly journals Penggunaan 3D Landmark Untuk Pengenalan Masjid Di Kota Bekasi Menggunakan Metode Prototype

Kilat ◽  
2021 ◽  
Vol 10 (1) ◽  
pp. 22-31
Author(s):  
Ndaru Ruseno ◽  
Satria Satria
Keyword(s):  
Search Engine ◽  
Programming Language ◽  
Information Visualization ◽  
Search Results ◽  
The Difference ◽  
The City ◽  
Visualization Application

The mosque is the center of Muslim activities. The development of the mosque at this time so fast it can be seen from the City to remote villages. Bekasi City has 12 districts and in each district there are already many mosques that are easy to find. Each mosque must have a different architecture. The difference of each mosque building architecture is what makes Muslims want to visit the mosques to find out the beauty contained in the mosque's architecture. many of them first do a search on the search engine to find the mosque you want to visit Results Unfortunately on the search results there are still many who are drawn in 2D in the form of photographs of the mosque. 2D depiction is considered less effective because it can only see from one angle. Visualization is engineering in making drawings, diagrams, or animations to display information. Visualization usually depicts objects in 3D. With visualization, mosque objects can be shown as a whole. The research conducted is the prototyping method, where this method is used starting in the initial stages of design until the application is ready for use. Through the output of the mosque mosque visualization application in the District of Bekasi City, the author wants to show the overall shape of the mosque, mosque data, and the location of the mosque to make it easier for users before choosing a mosque to visit through a mobile-based application. This application includes mosques from 12 Subdistricts in the City of Bekasi, where in one district is represented by one mosque. The making of this application uses the PHP programming language

The Origin of the Moon

1962 ◽  
Vol 14 ◽  
pp. 149-155 ◽  
Author(s):  
E. L. Ruskol
Keyword(s):  
Chemical Composition ◽  
Solar System ◽  
The Moon ◽  
The Earth ◽  
The Difference ◽  
Origin Of The Moon

The difference between average densities of the Moon and Earth was interpreted in the preceding report by Professor H. Urey as indicating a difference in their chemical composition. Therefore, Urey assumes the Moon's formation to have taken place far away from the Earth, under conditions differing substantially from the conditions of Earth's formation. In such a case, the Earth should have captured the Moon. As is admitted by Professor Urey himself, such a capture is a very improbable event. In addition, an assumption that the “lunar” dimensions were representative of protoplanetary bodies in the entire solar system encounters great difficulties.

Influence of Cell Wall Composition on the Fossilisation of Bacteria and the Implications for the Search for Early Life Forms

1997 ◽  
Vol 161 ◽  
pp. 491-504 ◽  
Author(s):  
Frances Westall
Keyword(s):  
Cell Wall ◽  
Life Forms ◽  
Cation Binding ◽  
Positive Bacterium ◽  
Gram Positive ◽  
Gram Positive Bacteria ◽  
Transmission Electron ◽  
Hydrothermal Sediments ◽  
Identification Of Bacteria ◽  
The Difference

AbstractThe oldest cell-like structures on Earth are preserved in silicified lagoonal, shallow sea or hydrothermal sediments, such as some Archean formations in Western Australia and South Africa. Previous studies concentrated on the search for organic fossils in Archean rocks. Observations of silicified bacteria (as silica minerals) are scarce for both the Precambrian and the Phanerozoic, but reports of mineral bacteria finds, in general, are increasing. The problems associated with the identification of authentic fossil bacteria and, if possible, closer identification of bacteria type can, in part, be overcome by experimental fossilisation studies. These have shown that not all bacteria fossilise in the same way and, indeed, some seem to be very resistent to fossilisation. This paper deals with a transmission electron microscope investigation of the silicification of four species of bacteria commonly found in the environment. The Gram positiveBacillus laterosporusand its spore produced a robust, durable crust upon silicification, whereas the Gram negativePseudomonas fluorescens, Ps. vesicularis, andPs. acidovoranspresented delicately preserved walls. The greater amount of peptidoglycan, containing abundant metal cation binding sites, in the cell wall of the Gram positive bacterium, probably accounts for the difference in the mode of fossilisation. The Gram positive bacteria are, therefore, probably most likely to be preserved in the terrestrial and extraterrestrial rock record.

Structuring, Motions and Shapes of Corona Emission Line Profiles

1994 ◽  
Vol 144 ◽  
pp. 421-426
Author(s):  
N. F. Tyagun
Keyword(s):  
Emission Line ◽  
Filling Factor ◽  
Direct Relationship ◽  
Coronal Plasma ◽  
Line Of Sight ◽  
Line Profiles ◽  
The Difference ◽  
Yellow Line ◽  
Red Line

AbstractThe interrelationship of half-widths and intensities for the red, green and yellow lines is considered. This is a direct relationship for the green and yellow line and an inverse one for the red line. The difference in the relationships of half-widths and intensities for different lines appears to be due to substantially dissimilar structuring and to a set of line-of-sight motions in ”hot“ and ”cold“ corona regions.When diagnosing the coronal plasma, one cannot neglect the filling factor - each line has such a factor of its own.

Difference Fourier Analysis of Glucose Embedded and Frozen Hydrated Purple Membrane

1982 ◽  
Vol 40 ◽  
pp. 74-75
Author(s):  
Jules S. Jaffe ◽  
Robert M. Glaeser
Keyword(s):  
Purple Membrane ◽  
Data Set ◽  
High Resolution Data ◽  
X Ray ◽  
X Ray Crystallography ◽  
Fourier Techniques ◽  
Versus Protein ◽  
The Difference ◽  
Difference Fourier ◽  
Ideal Method

Although difference Fourier techniques are standard in X-ray crystallography it has only been very recently that electron crystallographers have been able to take advantage of this method. We have combined a high resolution data set for frozen glucose embedded Purple Membrane (PM) with a data set collected from PM prepared in the frozen hydrated state in order to visualize any differences in structure due to the different methods of preparation. The increased contrast between protein-ice versus protein-glucose may prove to be an advantage of the frozen hydrated technique for visualizing those parts of bacteriorhodopsin that are embedded in glucose. In addition, surface groups of the protein may be disordered in glucose and ordered in the frozen state. The sensitivity of the difference Fourier technique to small changes in structure provides an ideal method for testing this hypothesis.

Destruction of Actin Filaments by Osmium Tetroxide

1977 ◽  
Vol 35 ◽  
pp. 466-467
Author(s):  
P. Maupin-Szamier ◽  
T. D. Pollard
Keyword(s):  
Actin Filaments ◽  
Time Course ◽  
Osmium Tetroxide ◽  
Rabbit Muscle ◽  
Muscle Actin ◽  
Sodium Phosphate Buffer ◽  
Transmission Electron ◽  
The Difference ◽  
Rates Of Decay ◽  
Short Time

We have studied the destruction of rabbit muscle actin filaments by osmium tetroxide (OSO4) to develop methods which will preserve the structure of actin filaments during preparation for transmission electron microscopy.Negatively stained F-actin, which appears as smooth, gently curved filaments in control samples (Fig. 1a), acquire an angular, distorted profile and break into progressively shorter pieces after exposure to OSO4 (Fig. 1b,c). We followed the time course of the reaction with viscometry since it is a simple, quantitative method to assess filament integrity. The difference in rates of decay in viscosity of polymerized actin solutions after the addition of four concentrations of OSO4 is illustrated in Fig. 2. Viscometry indicated that the rate of actin filament destruction is also dependent upon temperature, buffer type, buffer concentration, and pH, and requires the continued presence of OSO4. The conditions most favorable to filament preservation are fixation in a low concentration of OSO4 for a short time at 0°C in 100mM sodium phosphate buffer, pH 6.0.

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