An empirical study of the effects of data model and query language on novice user query performance

... AN EMPIRICAL STUDY OF THE EFFECTS OF DATA MODEL AND QUERY LANGUAGE ON NOVICE USER QUERY PERFORMANCE XIANG LIAN (B.Mgt Wuhan University,China) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ... operations and statements By measuring user performance of stage and stage 2, we can determine the impact of the data model and the query...

Ngày tải lên: 28/09/2015, 13:21

... between the environmental and financial performance of Vietnam s small and medium manufacturing firms by using the World Bank 2004 data on “Productivity and the Investment Climate” Does a firm that ... to hypothesize that environmental performance is likely to be negatively related to financial performance in Vietnam s small and medium manufacturing...

Ngày tải lên: 26/03/2015, 08:42

... Journal of Law economics Franck B and Usha R.Mittoo (2002) The determinants of Capital structure choice: A survey of European firms Friend and Lang, An empirical test of the impact of managerial ... 1984, The capital structure puzzle, Journal of Finance Vol 39, p 575-592 Narayan Rao and Lukose P J., 2000, An Empirical Study on the Determinants of t...

Ngày tải lên: 09/09/2013, 23:46

... between woman on the board and performance 1.2 Objectives of the study An objective of the study is to examine in the Vietnamese bank, the link between women’s participation in top management and its ... responsibilities to the Company and its shareholders The Board plays the central role in the Company’s corporate governance and oversees the work of manage...

Ngày tải lên: 09/09/2013, 23:50

... in the context of the selection task, by going through the architecture of the evaluation framework 3.1 The evaluation framework architecture Figure shows the architecture of the evaluation framework ... self-report on user’s satisfaction with houses in the Hot List3 is randomly assigned to one of the three conditions Then, the subject interacts with the evalua...

Ngày tải lên: 08/03/2014, 05:20

Ngày tải lên: 16/03/2014, 03:20

... want to emphasize their personal identity love to purchase luxury items That is also the motivation for most of luxury brands in the world trying to enhance the brands by promising customers the ... dependent variable of purchase intent of luxury goods and the predictor of attitude towards purchasing luxury goods In regard to the value of R, this...

Ngày tải lên: 15/04/2015, 16:29

... important to test the link between transformational leadership behaviors and affective employee engagement in the industry of retail and financial services in Ho Chi Minh City and also to explore employees’ ... and affective employee engagement by surveying the employees The target population of the study included the employees in...

Ngày tải lên: 01/06/2015, 20:09

... with an optimal combination of penny auction settings that can maximize either seller profit or consumer surplus Table 2-1 : Comparison of Penny Auction and eBay Auction Penny Auction eBay Auction ... final auction price is a double-edged sword On one hand, low auction prices attract bidders to participate in this type of auctions On the other hand, i...

Ngày tải lên: 05/10/2015, 21:33

... paid land leasing system and abandonment of free administrative allocation of land under the socialist land management system (Zhu, 1999b) The transformation from the state -led to market- led land ... open land rental and sale market, decentralization of land administration institutions, conversion of land from rural to urban uses, and reduction of governme...

Ngày tải lên: 13/10/2015, 15:54

... conclusions of this work Creation of an Information Synthesis testbed We refer to Information Synthesis as the process of generating a topic-oriented report from a nontrivial amount of relevant, ... each report belongs to the document) DocSim(Mr , M ) = |Doc( Mr ) ∩ Doc( M )| |Doc( Mr )| where Mr is the reference report, M a second report and Doc( Mr ), Doc( M ) are the doc...

Ngày tải lên: 20/02/2014, 15:20

... Table lists details on the CTB4 Corpus data used in this study Num of Files Num of Sentences Num of Words Num of Phrases Table 1: Definition of Chunks 2.2 Data Representation Training 728 9,878 238,906 ... Conference on Machine Learning (ICML01) In this paper, we conducted an empirical study of Chinese chunking We compared the performance of four models, SVMs, CRFs, MBL,...

Ngày tải lên: 08/03/2014, 02:21

... users of our multi-page warning visited the library website at an equal rate to users of the FF2 and IE7 warnings Our single page warning was not significantly different than any of the other warnings ... created for SSL warnings [1] The pervasive nature of SSL errors raises questions about the efficacy of SSL warnings A survey of 297,574 SSL- enabled websites queried in...

Ngày tải lên: 16/03/2014, 19:20

... ề ẵ ĩà ôí ẳ Active Learning for Support Vector Machines 3.1 General Framework of Active Learning We use pool-based active learning (Lewis and Gale, 1994) SVMs are used here instead of probabilistic ... show that SVM active learning works well for Japanese word segmentation, which is one of such complex tasks, and the naive use of a large pool with the p...

Ngày tải lên: 17/03/2014, 08:20

Ngày tải lên: 30/03/2014, 01:20