top

  Info

  • Utilizzare la checkbox di selezione a fianco di ciascun documento per attivare le funzionalità di stampa, invio email, download nei formati disponibili del (i) record.

  Info

  • Utilizzare questo link per rimuovere la selezione effettuata.
Accelerating democracy [[electronic resource] ] : transforming governance through technology / / John O. McGinnis
Accelerating democracy [[electronic resource] ] : transforming governance through technology / / John O. McGinnis
Autore McGinnis John O. <1957->
Edizione [Core Textbook]
Pubbl/distr/stampa Princeton, : Princeton University Press, c2013
Descrizione fisica 1 online resource (225 p.)
Disciplina 320.014
Soggetto topico Information technology - Political aspects
Technological innovations - Political aspects
Democracy
Democratization
Soggetto non controllato Internet
administrative government
artificial intelligence
bias
collective decision making
computational advances
computer
cultural cognition
democracy
dispersed media
earmarks
education reform
elections
empirical analysis
empiricism
federalism
friendly AI
governance
government data
information age
information costs
information markets
information technology
innate majoritarian bias
knowledge falsification
machine intelligence
majority rule
modern technology
political bias
political campaigns
political culture
political decision making
political information
political life
political prediction markets
politics
public action problem
public policy
regulation
representation
social governance
social knowledge
social planning
social policy
social science
social-scientific knowledge
special interests
status quo
technocracy
technological acceleration
technological change
term limits
ISBN 1-283-86413-4
1-4008-4545-9
Classificazione ZG 8645
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Front matter -- Contents -- Introduction -- Chapter one. The Ever Expanding Domain of Computation -- Chapter two. Democracy, Consequences, and Social Knowledge -- Chapter three. Experimenting with Democracy -- Chapter four. Unleashing Prediction Markets -- Chapter five. Distributing Information through Dispersed Media and Campaigns -- Chapter six. Accelerating AI -- Chapter seven. Regulation in an Age of Technological Acceleration -- Chapter eight. Bias and Democracy -- Chapter nine. De-biasing Democracy -- Conclusion. The Past and Future of Information Politics -- Acknowledgments -- Appendix -- Notes -- Index
Record Nr. UNINA-9910779330203321
McGinnis John O. <1957->  
Princeton, : Princeton University Press, c2013
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Accelerating democracy [[electronic resource] ] : transforming governance through technology / / John O. McGinnis
Accelerating democracy [[electronic resource] ] : transforming governance through technology / / John O. McGinnis
Autore McGinnis John O. <1957->
Edizione [Core Textbook]
Pubbl/distr/stampa Princeton, : Princeton University Press, c2013
Descrizione fisica 1 online resource (225 p.)
Disciplina 320.014
Soggetto topico Information technology - Political aspects
Technological innovations - Political aspects
Democracy
Democratization
Soggetto non controllato Internet
administrative government
artificial intelligence
bias
collective decision making
computational advances
computer
cultural cognition
democracy
dispersed media
earmarks
education reform
elections
empirical analysis
empiricism
federalism
friendly AI
governance
government data
information age
information costs
information markets
information technology
innate majoritarian bias
knowledge falsification
machine intelligence
majority rule
modern technology
political bias
political campaigns
political culture
political decision making
political information
political life
political prediction markets
politics
public action problem
public policy
regulation
representation
social governance
social knowledge
social planning
social policy
social science
social-scientific knowledge
special interests
status quo
technocracy
technological acceleration
technological change
term limits
ISBN 1-283-86413-4
1-4008-4545-9
Classificazione ZG 8645
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Front matter -- Contents -- Introduction -- Chapter one. The Ever Expanding Domain of Computation -- Chapter two. Democracy, Consequences, and Social Knowledge -- Chapter three. Experimenting with Democracy -- Chapter four. Unleashing Prediction Markets -- Chapter five. Distributing Information through Dispersed Media and Campaigns -- Chapter six. Accelerating AI -- Chapter seven. Regulation in an Age of Technological Acceleration -- Chapter eight. Bias and Democracy -- Chapter nine. De-biasing Democracy -- Conclusion. The Past and Future of Information Politics -- Acknowledgments -- Appendix -- Notes -- Index
Record Nr. UNINA-9910824542503321
McGinnis John O. <1957->  
Princeton, : Princeton University Press, c2013
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Accountability in public policy partnerships / / by J. Steets
Accountability in public policy partnerships / / by J. Steets
Autore Steets J
Edizione [1st ed. 2010.]
Pubbl/distr/stampa Basingstoke, : Springer Nature, 2010
Descrizione fisica 1 online resource (278 pages)
Disciplina 320
Soggetto topico International organization
Public policy
Public administration
Organization
Planning
Political science
International Organization
Public Policy
Public Administration
Political Science
Soggetto non controllato publieke zaken
public policy
principal-agent theory
verantwoording
principal-agent theorie
accountability
Democracy
Stakeholder (corporate)
ISBN 0230290612
9780230238978
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Cover; Contents; List of Figures and Tables; Preface; List of Acronyms; 1 Introduction; 1.1 Accountability - a fuzzy concept and its importance for partnerships; 1.2 Purpose and structure; 2 The Concepts of Partnerships and Accountability; 2.1 Partnerships; 2.1.1 Definition; 2.1.2 Partnerships between networks and corporatism; 2.2 Accountability; 2.2.1 Defining the 'core' of accountability; 2.2.2 Who is accountable, to whom, for what and how?; 2.2.3 The accountability dilemma; 2.3 Partnership accountability; 2.3.1 Political salience; 2.3.2 Importance of trade-offs; 2.3.3 Complexity
3 Why Organisations Ought to be Accountable3.1 Major justifications for accountability; 3.1.1 Consequentialist justifications; 3.1.2 Power and stakeholder theory; 3.1.3 Power and the democratic deficit; 3.2 The alternative: Justifying accountability through delegation; 3.2.1 Delegation and the duty to act in the best interest of the principal; 3.2.2 Delegation and the need for appropriate accountability mechanisms; 3.2.3 Ex-post and hypothetical delegation; 3.3 The advantages of justifying accountability through delegation; 3.4 Form should follow function; 4 Partnerships in Practice
5 Concrete Partnership Accountability Standards5.1 Advocacy and awareness-raising partnerships: Basic standards for all partnerships; 5.1.1 Accountability for complying with relevant rules and regulations; 5.1.2 Financial accountability; 5.1.3 Accountability for working towards the partnership's mission; 5.1.4 Summary of standards; 5.2 Standards for rule setting and regulation partnerships; 5.2.1 Applying democratic accountability standards to rule-setting partnerships; 5.2.2 Accountability through participation; 5.2.3 Accountability to avoid the abuse of authority; 5.2.4 Summary of standards
5.3 Standards for implementation partnerships5.3.1 Applying corporate accountability standards to partnerships; 5.3.2 Outcome accountability through performance evaluation; 5.3.3 Outcome accountability through the introduction of market elements; 5.3.4 Summary of standards; 5.4 Standards for information-generating partnerships; 5.4.1 Transferable accountability practices in universities and the judiciary and guidance from relevant international standards; 5.4.2 Accountability for impartiality through independence; 5.4.3 Accountability for accuracy and quality through professionalism
5.4.4 Summary of standards
Record Nr. UNINA-9910130756403321
Steets J  
Basingstoke, : Springer Nature, 2010
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Accountability in public policy partnerships / / by J. Steets
Accountability in public policy partnerships / / by J. Steets
Autore Steets J
Edizione [1st ed. 2010.]
Pubbl/distr/stampa Basingstoke, : Springer Nature, 2010
Descrizione fisica 1 online resource (278 pages)
Disciplina 320
Soggetto topico International organization
Public policy
Public administration
Organization
Planning
Political science
International Organization
Public Policy
Public Administration
Political Science
Soggetto non controllato publieke zaken
public policy
principal-agent theory
verantwoording
principal-agent theorie
accountability
Democracy
Stakeholder (corporate)
ISBN 0230290612
9780230238978
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Cover; Contents; List of Figures and Tables; Preface; List of Acronyms; 1 Introduction; 1.1 Accountability - a fuzzy concept and its importance for partnerships; 1.2 Purpose and structure; 2 The Concepts of Partnerships and Accountability; 2.1 Partnerships; 2.1.1 Definition; 2.1.2 Partnerships between networks and corporatism; 2.2 Accountability; 2.2.1 Defining the 'core' of accountability; 2.2.2 Who is accountable, to whom, for what and how?; 2.2.3 The accountability dilemma; 2.3 Partnership accountability; 2.3.1 Political salience; 2.3.2 Importance of trade-offs; 2.3.3 Complexity
3 Why Organisations Ought to be Accountable3.1 Major justifications for accountability; 3.1.1 Consequentialist justifications; 3.1.2 Power and stakeholder theory; 3.1.3 Power and the democratic deficit; 3.2 The alternative: Justifying accountability through delegation; 3.2.1 Delegation and the duty to act in the best interest of the principal; 3.2.2 Delegation and the need for appropriate accountability mechanisms; 3.2.3 Ex-post and hypothetical delegation; 3.3 The advantages of justifying accountability through delegation; 3.4 Form should follow function; 4 Partnerships in Practice
5 Concrete Partnership Accountability Standards5.1 Advocacy and awareness-raising partnerships: Basic standards for all partnerships; 5.1.1 Accountability for complying with relevant rules and regulations; 5.1.2 Financial accountability; 5.1.3 Accountability for working towards the partnership's mission; 5.1.4 Summary of standards; 5.2 Standards for rule setting and regulation partnerships; 5.2.1 Applying democratic accountability standards to rule-setting partnerships; 5.2.2 Accountability through participation; 5.2.3 Accountability to avoid the abuse of authority; 5.2.4 Summary of standards
5.3 Standards for implementation partnerships5.3.1 Applying corporate accountability standards to partnerships; 5.3.2 Outcome accountability through performance evaluation; 5.3.3 Outcome accountability through the introduction of market elements; 5.3.4 Summary of standards; 5.4 Standards for information-generating partnerships; 5.4.1 Transferable accountability practices in universities and the judiciary and guidance from relevant international standards; 5.4.2 Accountability for impartiality through independence; 5.4.3 Accountability for accuracy and quality through professionalism
5.4.4 Summary of standards
Record Nr. UNISA-996201647103316
Steets J  
Basingstoke, : Springer Nature, 2010
Materiale a stampa
Lo trovi qui: Univ. di Salerno
Opac: Controlla la disponibilità qui
Achieving person-centred health systems : evidence, strategies and challenges / / edited by Ellen Nolte, Sherry Merkur, Anders Anell [[electronic resource]]
Achieving person-centred health systems : evidence, strategies and challenges / / edited by Ellen Nolte, Sherry Merkur, Anders Anell [[electronic resource]]
Autore Nolte Ellen
Pubbl/distr/stampa Cambridge University Press, 2020
Descrizione fisica 1 online resource (xxiii, 396 pages) : digital, PDF file(s)
Disciplina 362.1094
Collana European Observatory on Health Systems and Policies
Soggetto topico Health services administration - Europe
Patient-centered health care - Europe
Health planning - Citizen participation
Medical policy - Europe
Medical care - Europe
Soggetto non controllato health systems
health policies
health administration
health economics
public policy
person-centred healthcare
healthcare research
clinical practice
patient rights
community participation
health information
health education
health literacy
ISBN 1-108-84681-5
1-108-80372-5
1-108-85546-6
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto The person at the centre of health systems : an introduction -- Person-centredness : exploring its evolution and meaning in the health system context -- Person-centred health systems : strategies, drivers and impacts -- Achieving person-centred health systems : levers and strategies -- Community participation in health systems development -- Patient and public involvement in research -- Listening to People : measuring views, experiences and perceptions -- Choosing providers -- Choosing payers : can insurance competition strengthen person-centred care? -- The service user as manager of care : the role of direct payments and personal budgets -- Choosing treatments and the role of shared decision-making -- The person at the centre? : the role of self-management and self-management support -- Patients' rights : from recognition to implementation.
Record Nr. UNINA-9910585962303321
Nolte Ellen  
Cambridge University Press, 2020
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Against security [[electronic resource] ] : how we go wrong at airports, subways, and other sites of ambiguous danger / / Harvey Molotch
Against security [[electronic resource] ] : how we go wrong at airports, subways, and other sites of ambiguous danger / / Harvey Molotch
Autore Molotch Harvey Luskin
Edizione [Updated edition with a New Preface]
Pubbl/distr/stampa Princeton, : Princeton University Press, c2012
Descrizione fisica 1 online resource (279 p.)
Disciplina 363.325170973
Altri autori (Persone) MolotchHarvey
Soggetto topico Terrorism - Prevention - Government policy - United States
National security - United States
Transportation - Security measures - United States
Soggetto non controllato Freedom Tower
Ground Zero
Gulf Coast
Hurricane Katrina
New Orleans
New York subway system
One World Trade Center
U.S. security
air travel
airport security
airports
anxiety
body search
canals
class
command and control
command
control
crises
danger
disaster response
ecological reform
fear of flying
fear
gender discrimination
human goals
human territory
levees
mass transport
natural disasters
post 9/11
public policy
public restroom
public restrooms
public transport
race
rebuilding
remediation
safety
security policy
security
threat
ISBN 1-4008-5233-1
1-283-57145-5
9786613883902
1-4008-4486-X
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Frontmatter -- Contents -- Preface to the Paperback Edition -- Preface -- Acknowledgments -- Chapter 1. Introduction: Colors of Security -- Chapter 2. Bare Life: Restroom Anxiety and the Urge for Control -- Chapter 3. Below the Subway: Taking Care Day In and Day Out -- Chapter 4. Wrong-Way Flights: Pushing Humans Away -- Chapter 5. Forting Up the Skyline: Rebuilding at Ground Zero -- Chapter 6. Facing Katrina: Illusions of Levee and Compulsion to Build -- Chapter 7. Conclusion: Radical Ambiguity and the Default to Decency -- Notes -- Index
Record Nr. UNINA-9910785622603321
Molotch Harvey Luskin  
Princeton, : Princeton University Press, c2012
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Against security [[electronic resource] ] : how we go wrong at airports, subways, and other sites of ambiguous danger / / Harvey Molotch
Against security [[electronic resource] ] : how we go wrong at airports, subways, and other sites of ambiguous danger / / Harvey Molotch
Autore Molotch Harvey Luskin
Edizione [Updated edition with a New Preface]
Pubbl/distr/stampa Princeton, : Princeton University Press, c2012
Descrizione fisica 1 online resource (279 p.)
Disciplina 363.325170973
Altri autori (Persone) MolotchHarvey
Soggetto topico Terrorism - Prevention - Government policy - United States
National security - United States
Transportation - Security measures - United States
Soggetto non controllato Freedom Tower
Ground Zero
Gulf Coast
Hurricane Katrina
New Orleans
New York subway system
One World Trade Center
U.S. security
air travel
airport security
airports
anxiety
body search
canals
class
command and control
command
control
crises
danger
disaster response
ecological reform
fear of flying
fear
gender discrimination
human goals
human territory
levees
mass transport
natural disasters
post 9/11
public policy
public restroom
public restrooms
public transport
race
rebuilding
remediation
safety
security policy
security
threat
ISBN 1-4008-5233-1
1-283-57145-5
9786613883902
1-4008-4486-X
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Frontmatter -- Contents -- Preface to the Paperback Edition -- Preface -- Acknowledgments -- Chapter 1. Introduction: Colors of Security -- Chapter 2. Bare Life: Restroom Anxiety and the Urge for Control -- Chapter 3. Below the Subway: Taking Care Day In and Day Out -- Chapter 4. Wrong-Way Flights: Pushing Humans Away -- Chapter 5. Forting Up the Skyline: Rebuilding at Ground Zero -- Chapter 6. Facing Katrina: Illusions of Levee and Compulsion to Build -- Chapter 7. Conclusion: Radical Ambiguity and the Default to Decency -- Notes -- Index
Record Nr. UNINA-9910822660903321
Molotch Harvey Luskin  
Princeton, : Princeton University Press, c2012
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Ageing and health : the politics of better policies / / Scott L. Greer, University of Michigan, Ann Arbor, [and six others] [[electronic resource]]
Ageing and health : the politics of better policies / / Scott L. Greer, University of Michigan, Ann Arbor, [and six others] [[electronic resource]]
Autore Greer Scott L.
Pubbl/distr/stampa Cambridge University Press, 2021
Descrizione fisica 1 online resource (xvii, 167 pages) : digital, PDF file(s)
Disciplina 362.1084/6
Collana European observatory on health systems and policies
Soggetto topico Older people - Medical care - Europe
Older people - Medical care - Europe - Economic aspects
Older people - Medical care - Europe - Political aspects
Soggetto non controllato economics of ageing
politics of ageing
healthy ageing
ageing crisis
health policy
health systems
healthcare management
public policy
public finance
intergenerational justice
welfare state
pensions
pension policy
public health
ISBN 1-108-96829-5
1-108-96807-4
1-108-97323-X
Classificazione POL024000POL024000
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Cover -- Half-title page -- Series page -- Title page -- Copyright page -- Contents -- List of Figures -- List of Tables -- List of Boxes -- Acknowledgements -- 1 Introduction -- 1.1 Two Very Different Narratives Depicting Ageing Societies -- 1.2 What Are the Consequences of Seeing Population Ageing in a Negative Light? -- 1.3 Are Policy Concerns about Population Ageing Evidence-Based? -- 1.3.1 Population Ageing Will Not Become a Major Driver of Health Expenditure Growth -- 1.3.2 Population Ageing Will Lead to Changes in Paid and Unpaid Work, but These Can Be Managed -- 1.4 The Coronavirus Pandemic: Intergenerational Conflict or Revealing Consequences of Longstanding Inequalities? -- 1.5 Win-Win Policy and Politics: the Life-Course Approach -- 1.6 The Book in Brief -- 1.7 Conclusion -- 2 Older People in Europe -- 2.1 Diversity and Inequality -- 2.1.1 Income Insecurity Varies across the European Region, but It Is Better to Be on the Margins in Northern & -- Western Europe Than in Eastern Europe -- 2.1.2 Most Older People Are Not in Paid Work but the Odds of Not Working Are Higher in Eastern Europe Than in Northern and Western Europe -- 2.1.3 Older People in Eastern Europe Are Most Likely to Live in Multigenerational Households -- 2.1.4 The Health of Older People Varies across Regions -- 2.2 What Do Commonly Used Data Say about Population Ageing and Its Effects on Society? -- 3 Ageing Equally: Politics, Health and Solidarity -- 3.1 The 'Greedy Geezer' Narrative -- 3.2 The Demand-Side Explanation for Win-Lose Policies: Partially, but Only Partially, Correct -- 3.2.1 Older People Do Make Up a Large Share of Voters -- 3.2.2 Sometimes Older Adults Prefer Win-Lose Policies, and Act Politically to Try to Get Them -- 3.2.3 Social Policy Preferences of Older and Younger People Are Often Not As Different As We Expect.
3.3 Older Voters Do Not Vote As a Bloc -- 3.4 The Supply-Side Explanation for Win-Lose Policies Is Also Partly, but Only Partly, Right -- 3.4.1 There Is Some Evidence of Politicians Responding to Demands from Older Voters When Making Social Policy Choices -- 3.4.2 Policy Is Mainly a Response to Factors Other Than Pressure from Older People -- 3.5 Weighing the Evidence -- 3.5.1 Are Older People 'Greedy', Rationally Demanding or Deserving? -- 3.5.2 Social Policies Generally Result Mainly from Considerations Unrelated to Demand from Voters -- 3.6 Conclusion -- 3.7 Appendix -- 4 The Coalitional Politics of Win-Wins -- 4.1 Introduction -- 4.1.1 Intra- and Intergenerational Solidarity Across Europe -- 4.2 Intra- and Intergenerational Solidarity in an Era of Austerity -- 4.3 The Politics of Healthy Ageing -- 4.3.1 Why is the Win-Win So Difficult to Achieve? -- 4.4 Coalitions and Healthy Ageing -- 4.5 New Challenges -- 4.6 Conclusion -- 5 Unequal Ageing: the Politics of Ageing As the Politics of Health Inequalities -- 5.1 Introduction -- 5.2 Unequal Ageing: Who Gets to Be Old? -- 5.2.1 Gender Inequalities in Health -- 5.2.2 Ethnic Inequalities in Health -- 5.2.3 Socioeconomic Inequalities in Health -- 5.2.4 Geographical Inequalities in Health -- 5.2.5 Intersectional Inequalities -- 5.2.6 Trends in Health Inequalities -- 5.2.7 COVID-19 Pandemic and Health Inequalities -- 5.3 What Causes Health Inequalities? -- 5.3.1 Material Resources: the Social Determinants of Health -- 5.3.2 Explaining Geographic Inequalities in Health -- 5.4 Beyond the Social Position and Place: the Political Economy Approach -- 5.5 Conclusion -- 6 The Implications of Win-Win and Win-Lose Policies for the 'Ageing Crisis' -- 6.1 Introduction -- 6.2 Win-Win Policies and Healthy Ageing -- 6.2.1 The English Health Inequalities Strategy as a Win-Win Strategy.
6.2.2 German Reunification: Drawing Lessons from an Unusual Win-Win -- 6.3 Win-Lose Policies and the Implications for Healthy Ageing -- 6.3.1 Austerity Politics and Ageing in the UK -- 6.3.2 Health Inequalities and the "Americanization" of European Political Economy -- 6.4 Conclusion -- 7 Conclusion -- 7.1 Tearing Down Straw Men -- 7.2 Equity, Intergenerational and Other -- 7.3 After the Straw Men: Understanding the Politics of Ageing and Health -- 7.4 Getting to a Win-Win -- Bibliography -- Index.
Record Nr. UNINA-9910585960703321
Greer Scott L.  
Cambridge University Press, 2021
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
The agroecological transition of agricultural systems in the Global South
The agroecological transition of agricultural systems in the Global South
Autore Côte François-Xavier
Pubbl/distr/stampa éditions Quae, 2019
Descrizione fisica 1 online resource (360)
Soggetto topico Tropical agriculture: practice & techniques
Soggetto non controllato Africa
agronomy
sustainable development
public policy
ecology
breeding
banana
environment
cocoa
culture system
forest
landscape
ISBN 2-7592-3057-0
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910372819703321
Côte François-Xavier  
éditions Quae, 2019
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Une agronomie pour le XXIe siècle
Une agronomie pour le XXIe siècle
Autore Richard Guy
Pubbl/distr/stampa éditions Quae, 2018
Descrizione fisica 1 online resource (304)
Collana Hors Collection
Soggetto topico Agronomy & crop production
Soggetto non controllato Agriculture
agronomy
biodiversity
water
pure water
environment
expertise
history
public policy
quality
research
Food Safety
ground
culture system
toxicology
ISBN 2-7592-2938-6
2-7592-2939-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione fre
Record Nr. UNINA-9910372820303321
Richard Guy  
éditions Quae, 2018
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui