|
Showing 1 - 11 of
11 matches in All Departments
This book presents a new topology of the non-isolated online
uninterruptible power supply (UPS) system consisting of 3
components: bridgeless boost rectifier, battery charger/discharger,
and an inverter. The online UPS system is considered to be the most
preferable UPS due to its high level of power quality and proven
reliability against all types of line disturbances and power
outages. The new battery charger/discharger reduces the battery
bank voltage, which improves performance and reliability, while a
new control method for the inverter regulates the output voltage
for both linear and nonlinear loads. The proposed USP system shows
an efficiency of 94% during battery mode and 92% during the normal
mode of operation.
|
Databases Theory and Applications - 26th Australasian Database Conference, ADC 2015, Melbourne, VIC, Australia, June 4-7, 2015. Proceedings (Paperback, 2015 ed.)
Mohamed A. Sharaf, Muhammad Aamir Cheema, Jianzhong Qi
|
R2,547
Discovery Miles 25 470
|
Ships in 10 - 15 working days
|
This book constitutes the refereed proceedings of the 26th
Australasian Database Conference, ADC 2015, held in Melbourne, VIC,
Australia, in June 2015. The 24 full papers presented together with
5 demo papers were carefully reviewed and selected from 43
submissions. The Australasian Database Conference is an annual
international forum for sharing the latest research advancements
and novel applications of database systems, data driven
applications and data analytics between researchers and
practitioners from around the globe, particularly Australia and New
Zealand. The mission of ADC is to share novel research solutions to
problems of today's information society that fulfill the needs of
heterogeneous applications and environments and to identify new
issues and directions for future research. ADC seeks papers from
academia and industry presenting research on all practical and
theoretical aspects of advanced database theory and applications,
as well as case studies and implementation experiences.
|
Database Systems for Advanced Applications - 20th International Conference, DASFAA 2015, Hanoi, Vietnam, April 20-23, 2015, Proceedings, Part II (Paperback, 2015 ed.)
Matthias Renz, Cyrus Shahabi, Xiaofang Zhou, Muhammad Aamir Cheema
|
R3,195
Discovery Miles 31 950
|
Ships in 10 - 15 working days
|
This two volume set LNCS 9049 and LNCS 9050 constitutes the
refereed proceedings of the 20th International Conference on
Database Systems for Advanced Applications, DASFAA 2015, held in
Hanoi, Vietnam, in April 2015. The 63 full papers presented were
carefully reviewed and selected from a total of 287 submissions.
The papers cover the following topics: data mining; data streams
and time series; database storage and index; spatio-temporal data;
modern computing platform; social networks; information integration
and data quality; information retrieval and summarization; security
and privacy; outlier and imbalanced data analysis; probabilistic
and uncertain data; query processing.
This book presents a new topology of the non-isolated online
uninterruptible power supply (UPS) system consisting of 3
components: bridgeless boost rectifier, battery charger/discharger,
and an inverter. The online UPS system is considered to be the most
preferable UPS due to its high level of power quality and proven
reliability against all types of line disturbances and power
outages. The new battery charger/discharger reduces the battery
bank voltage, which improves performance and reliability, while a
new control method for the inverter regulates the output voltage
for both linear and nonlinear loads. The proposed USP system shows
an efficiency of 94% during battery mode and 92% during the normal
mode of operation.
|
Databases Theory and Applications - 27th Australasian Database Conference, ADC 2016, Sydney, NSW, September 28-29, 2016, Proceedings (Paperback, 1st ed. 2016)
Muhammad Aamir Cheema, Wenjie Zhang, Lijun Chang
|
R1,608
Discovery Miles 16 080
|
Ships in 10 - 15 working days
|
This book constitutes the refereed proceedings of the 27th
Australasian Database Conference, ADC 2016, held in Sydney, NSW,
Australia, in September 2016. The 33 full papers presented together
with 11 demo papers were carefully reviewed and selected from 55
submissions. The mission of ADC is to share novel research
solutions to problems of today's information society that fulfill
the needs of heterogeneous applications and environments and to
identify new issues and directions for future research. The topics
of the presented papers are related to all practical and
theoretical aspects of advanced database theory and applications,
as well as case studies and implementation experiences.
|
Database Systems for Advanced Applications - DASFAA 2015 International Workshops, SeCoP, BDMS, and Posters, Hanoi, Vietnam, April 20-23, 2015, Revised Selected Papers (Paperback, 1st ed. 2015)
An Liu, Yoshiharu Ishikawa, Tieyun Qian, Sarana Nutanong, Muhammad Aamir Cheema
|
R2,500
Discovery Miles 25 000
|
Ships in 10 - 15 working days
|
DASFAA is an annual international database conference, located in
the Asia-Pacific region,which show cases state-of-the-art R & D
activities in databases-terms and their applications. It provides a
forum for technical presentations and discussions among database
researchers, developers and users from academia, business and
industry. DASFAA 2015 the 20th in the series, was held during April
20-23, 2015 in Hanoi, Vietnam. In this year, we carefully selected
two workshops, each focusing on specific research issues that
contribute to the main themes of the DASFAA conference. This volume
contains the final versions of papers accepted for the two
workshops: Second International Workshop on Semantic Computing and
Personalization (SeCoP 2015); Second International Workshop on Big
Data Management and Service (BDMS 2015); and a Poster Session. [All
the workshops were selected via a public call-for-proposals
process. The workshop organizers put a tremendous amount of effort
into soliciting and - lecting papers with a balance of high
quality, new ideas and new applications. We asked all workshops to
follow a rigid paper selection process, including the procedure to
ensure that any Program Committee members are excluded from the
paper review process of any paper they are involved with. A
requirement about the overall paper acceptance rate of no more than
50% was also imposed on all the workshops.]
|
Database Systems for Advanced Applications - 20th International Conference, DASFAA 2015, Hanoi, Vietnam, April 20-23, 2015, Proceedings, Part I (Paperback, 2015 ed.)
Matthias Renz, Cyrus Shahabi, Xiaofang Zhou, Muhammad Aamir Cheema
|
R3,454
Discovery Miles 34 540
|
Ships in 10 - 15 working days
|
This two volume set LNCS 9049 and LNCS 9050 constitutes the
refereed proceedings of the 20th International Conference on
Database Systems for Advanced Applications, DASFAA 2015, held in
Hanoi, Vietnam, in April 2015. The 63 full papers presented were
carefully reviewed and selected from a total of 287 submissions.
The papers cover the following topics: data mining; data streams
and time series; database storage and index; spatio-temporal data;
modern computing platform; social networks; information integration
and data quality; information retrieval and summarization; security
and privacy; outlier and imbalanced data analysis; probabilistic
and uncertain data; query processing.
Master's Thesis from the year 2008 in the subject Agrarian Studies,
grade: A, Pir Mehr Ali Shah Arid Agriculture University Rawalpindi
(UAAR), course: MSc (Hons) Agri.Economics, language: English,
abstract: Water is a limiting factor for sustainable agriculture in
Barani (Arid). However, rainfall is the only source of water the
spatial and temporal variation of which is very high. Therefore
conservation and management of this source is vital for agriculture
development and socio-economic uplift of the area. This study was,
mainly, devised to address land distribution problems and
consequent farm productivity in the study area. Furthermore, level
of land distribution disparities was focused on to observe its
relationship with different on-farm and socio-economic indicators
including gross margins, cropping intensity crop diversity, income
distribution disparities and institutional credit availability etc.
All of the aforesaid indicators were also assessed for small,
medium and large farm size categories. The farmers were divided
into two main categories irrigated and rainfed farmers. Land was
observed evenly distributed in irrigated area while land
distribution was found most skewed in rainfed area. The performance
of most of the indicators i.e. yield, gross margins, farm income,
labour productivity, income distribution, cropping intensity and
crop diversity was found better in irrigated as compared to
rainfed. While marginal factor productivity, irrigation
productivity and rate of institutional credit availability was
higher in irrigated area. However, rainfed area was always least
efficient with respect to all of the quantified indicators. The
findings of the research are helpful for the farmers of the study
area in decision making among different farm enterprises. Hence it
can alleviate poverty and help to bring food security in the
deprived regions.
|
You may like...
The Creator
John David Washington, Gemma Chan, …
DVD
R312
Discovery Miles 3 120
Loot
Nadine Gordimer
Paperback
(2)
R205
R168
Discovery Miles 1 680
|