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As built environments become increasingly hybrid physical, social, and digital spaces, the intersecting issues of spatial context, sociality, and pervasive digital technologies need to be understood when designing for interactions in these hybrid spaces. Architectural and interaction designers need a mechanism that provides them with an understanding of the `sociality- places-bits' nexus. Using a specific urban setting as an analytical case study, we present a methodology to capture this nexus in a form that designers of hybrid spaces can effectively apply as a tool to augment digitally sociality in a built environment.

Throughout recent decades, socially-mixed neighborhoods have become a key element of urban policy and debate. This paper argues, with Amsterdam as an empirical case, that the design, layout and everyday use of social space—including public and private space—is of key importance in understanding the experiences and perspectives of social- mix policies amongst ‘urban practitioners’, such as planners, architects and management personnel. While the promotion of ‘liveability’, through the management of social problems, is often highlighted as a key element of social-mix policies, the findings presented indicate the degree to which the mixing of different groups according to ethnicity, race and social class presents a number of new challenges for liveability and management within both public and private space. Furthermore, it is argued that these challenges play a significant role in dictating the scale at which social mixing takes place, from the urban block to the street and at the neighbourhood level. It is concluded that a greater amount of attention is needed to such factors in understanding the dynamics of social interaction in public and private communal space when seeking to understand the everyday realities of socially- mixed neighborhoods.

In this symposium, we explore how urban citizenship is about expressing, if not producing, difference, and how fragmentation of claims affects urban citizenship and right to the city movements with their universal, all-inclusive ideals. Investigating social movements, political participation and conflicting diversities in public space in Tel Aviv and Berlin, we see a trend towards a diversification of interests, a weakening of movements, and even a competition over rights and resources rather than a development of mutual support and solidarities among various groups on the pathway to a livable city. This tension, we argue, deserves attention. Radical urban scholarship and politics need to better understand the historical and place-specific contexts that structure the formation of citizenship claims and the courses that citizenship struggles take. Celebrations of urban citizenship as a more contextualized, community oriented, and bottom-up framework (in comparison to national citizenship) should therefore be complemented by a careful investigation of their fragmented and fragmenting practices.

The aim of this paper is to bring the concept of place identity into the context of intergroup relationships in urban place, using the social identity approach. A field study was conducted in four adjacent neighbourhoods in the city of Lisbon, in order to explore the influence of place identity on the perception of the participants’ own neighbourhood and its residents (in-group) and of the other neighbourhoods and their residents (out-groups). The results showed that place identity was highly correlated with neighbourhood satisfaction, relevant out-group differentiation, and favouritism to the in-group and depreciation of the relevant out-group. The results also enabled the identification of three types of possible relationships between the groups: a relevant out-group for comparison, an idealized reference group for approximation, and a devaluated group for avoidance. Moreover, in this study, we extend the predictions of SIA to the comprehension of specific distance estimation distortion patterns.

This paper discusses how the structure of urban public open space is created and interpreted in the mental image of its users in the case of Ljubljana, Slovenia. It reveals how spatially continuous urban open space is physically interconnected into the overall spatial structure of the city and how it is defined by a variety of the built form components. The question is how such space is present in the mental image of users and whether and how such space is structured into sub-units by its users. The paper aims to establish what its dimensions are, how it is divided into separate units at a mental level, and what the perceived hierarchical relations between such units are, in terms of spatial, functional and intangible characteristics of space that conditions this perception. It is argued that both the overall spatial structure of the city and its constituent components play an important role in how users conceptualize urban open public space.

Men are at significantly greater risk than women to violent crime victimization in the US, especially in the public sphere. Despite this, their fears and vulnerabilities have received considerably less attention in recent social discourse than have women. Men's risk in, and fear of, public space is overshadowed by their apparent fearlessness in public space. This paper begins to address this apparent paradox using the conceptual lenses of masculinity and control. I explore fear and fearlessness among men as objects and subjects of masculinity. Stated fearlessness among men is counterbalanced by a chronic fear of violent crime victimization. Conditioned fearlessness combines with actual risk and chronic fear to shape men's experiences in the public sphere. I study the dynamics of men's fear using data gathered from a group of young men and women in Philadelphia. Gendered differences in fear and how environments are perceived and judged as to their relative safety are demonstrated and explored. Compared to women's fears and perceived geographical vulnerabilities, the men of this study demonstrate a persistent and chronic wariness of their environmental context that precedes any judgment of perceived safety. Violence and fear among both men and women in this study is further explained as a function of racism and economic marginalization.

As the obesity epidemic in children increases, it is important to consider the role of neighborhoods in supporting children's physical activity and healthy development, especially in low- income communities where obesity levels among children are higher than for their middle-income counterparts. I present a participatory and qualitative GIS approach to mapping children's own perceptions and use of their neighborhood for physical activity with ten and eleven year-olds growing up in a diverse low-income community in Denver, CO. Girls walk shorter distances to and use different types of community spaces for play and recreation from boys, some of which is explained by the differing environmental-socialization approaches employed by parents and carers. Children's perceptions of risk align spatially with features of the built environment, but do not correlate with reported crime. Results illustrate the utility of qualitative spatial analysis to understand relationships between children's perception, the built environment, and social factors that shape children's active transport, leisure, and recreation in their neighborhood. Children's local knowledge should be valued and solicited in community-level health and planning interventions to promote physical activity.

Visiting urban parks regularly can provide significant physical and mental health benefits for children and teenagers, but these benefits are tempered by park quality, amenities, maintenance, and safety. Therefore, planning and public health scholars have developed instruments to measure park quality, but most of these tools require costly and time consuming field surveys and only a handful focus specifically on youth. We rectify these issues by developing the QUality INdex of Parks for Youth (QUINPY) based on a robust literature review of studies on young people’s park visitation habits and an extensive validation process by academic and professional experts. Importantly, the QUINPY relies on publicly available geospatial data to measure park quality. We then successfully pilot test the QUINPY in Denver and New York City. We believe that park agencies, planning consultants, researchers, and nonprofits aiming to assess park quality will find this tool useful. The QUINPY is particularly promising given the increasing amount of publicly available geospatial data and other recent advancements in geospatial science.

Drawing on ethnographic fieldwork in post-unification Berlin, this article examines the re-articulation of the problematic of “the social” in city planning. It juxtaposes the contrasting visions of city planners and youth workers for Alexanderplatz, a controversial square in Berlin’s eastern centre. I argue that the notion of “robustness” is helpful in understanding an important contemporary shift in thinking about planning and the social. In a sense, both planners and youth workers accused each other of taking insufficient notice of “the social.” While planners spoke of robustness as a technical, economic and aesthetic quality to which public space needs to aspire, the youth workers’ vision for Alexanderplatz was a proposal for a kind of “social” robustness where the social is, quite literally, built into the urban design. These ethnographic observations need to be understood in a context where city planning has been one of the most critical domains in which the tensions provoked by German unification are played out. Taking such socio-cultural specificities into account will lead to a more nuanced understanding of forms of neoliberal city planning.

The amount of noise in urban settings is steadily on the rise, creating a potential health hazard and causing a general nuisance. In major European cities, noise levels are so high that the majority of urban parks can no longer truly serve as recreational environments, a problem the World Health Organization and the European Union are attempting to address. This study explores various strategies that promote the sustainable development of urban soundscapes at locations meant for rest, recreation, and social interaction. Further, we look at how people are affected by the combined effects of traffic and nature sounds in parks and other outdoor settings. To this end, we adopted a new track — the use of interdisciplinary methodology — that brings together architectural analysis, artistic experiments, and psychoacoustic methodology to evaluate the aesthetic, emotional, perceptual, and spatial effects of noise on subjects spending time in public open-air spaces. We conducted a large-scale case study at a city park to explore whether subjects were affected by purposely distributed sounds and, if so, how. The working hypothesis was that it is possible to cancel out or mute traffic noise by affecting individuals' aural perceptions using a process known as informational masking. Our long-term objective is to create a scientific foundation for action plans, both preemptive and troubleshooting, targeting noise reduction in parks and similar public spaces that are meant to provide a relaxing environment.

Internal migration within Asian countries and international migration to, within, and out of Asia have been on the rise throughout the past decades. As types and pathways of migration, migrants’ sociocultural and socioeconomic backgrounds, and their transnational and translocal trajectories become increasingly diverse, a majority of them move to cities. Diverging power geometries and relations are constantly negotiated and (re)produced in the sociospatial dialectic of the city. Through their individual and collective agency, assets, and knowledge, mobile subjects have become important agents in the (re)production of spaces in cities, whereas the socio-political and physical conditions of spaces frame their livelihoods, opportunities, and agency. Research on migrants’ agency has intensified recently, but the specific modes through which agency operates in the socio-spatial dialectic still need to be conceptualised. We develop a framework that outlines different modes through which agents and space interact. The framework is exemplified through papers on case studies from Dhaka and the Pearl River Delta (PRD) that are part of this special issue. Dhaka and the PRD have been characterised by accelerated growth throughout the past decades, particularly due to the influx of rural-to-urban migrants, but they also receive an increasing number of international migrants. We conclude that through their diverse, multi-sited, and translocal relations and activities stretching beyond the receiving cities in a context of constant transformation, migrants’ practices contribute to the emergence of a specific type of urban spaces that we delineate as transient urban spaces.

This paper presents a morphological study of 100 main street networks from urban areas around the world. An expansion in the scale of main street networks was revealed using a unique heuristic visual method for identifying and measuring the lengths of main street segments from each of the study areas. Case studies were selected and grouped according to corresponding urban design paradigms, ranging from antiquity to present day. This research shows that the average lengths of main street segments from networks of historic (i.e. ancient, medieval, renaissance, baroque and industrial) and informal case studies are much smaller relative to those from networks of more contemporary case studies (i.e. Garden City, Radiant City and New Urbanism). This study provides empirical evidence in support of prior, observational claims suggesting a consistent pattern in the smaller scale of main street networks from traditional urban areas, termed the ‘400-metre rule’. Additionally, it makes the case for further empirical research into similarly recursive spatial patterns within other elements of urban form (i.e. plots, blocks, etc.) that, if discovered, could aid in future urban design efforts to help provide the framework for more ‘human-scale’ urban environments.

This paper looks at new, high-profile redevelopment projects in Tokyo and New York City and their surroundings for examples of trends in the design of urban public spaces and changing patterns in how they are used. This includes new parks and other open spaces, landscaped plazas or public squares associated with new office towers, shopping centers and other largescale commercial developments, and various popular “festival sites” such as those along recreation waterfronts. A comparison indicates that both cities have quite a few new public spaces that enhance the quality of urban life and add aesthetic appeal, but that also reflect certain social problems and divisions. We see the following common trends: (1) increasing privatization of spaces that were once more clearly in the public domain; (2) increasing surveillance of public spaces and control of access to them in order to improve security; and (3) increasing use of design themes that employ “theme park” simulations and break connections with local history and geography. In the Tokyo area there is also a curious trend to create large, landscaped open areas near new development projects that few people use. They can be called “planned wastelands” or “new urban deserts”. New York City, on the other hand, has succeeded in having more people come together for enjoyment in parts of the city that were once all but abandoned. The paper is illustrated with photographs, and draws on the examples of Times Square, South Street Seaport and Battery Park City in New York, and Yebisu Garden Place, Teleport–Daiba, Makuhari New Town and Minato Mirai 21 in the Tokyo–Yokohama area.

Recent debates around urban encounter, integration cosmopolitanism, and renewed engagement with contact theory have raised questions about the spaces of interaction that may enable meaningful encounters between different social groups. Reflecting on a participatory art project with young people of African and British heritage in northeast England, we argue that discussion and practice around participatory action research, including the deployment of contact zones as theory and method, can cast some light on what fosters transformative spaces. Through analysis of two different approaches to community art used in the project, we show how elements of each enabled and disabled meaningful interaction between young people. We draw attention to the materiality of art (the tools) within participatory practices (the doing of it) in contributing to a space where interactions might take place, emphasising a complex interplay across/between actors, materials, and space that frames encounters as emergent, transitory, fragile, and yet hopeful. We examine the potential of a focus on the material in thinking beyond moments of encounter to how transformative social relations may be `scaled up' before considering the implications for research and policy.

Cities around the world have marked differences in spatial form and structure. To some extent this can be attributed to cultural differences. However, the impact spatial form has on the interactions within and between residents of different neighbourhoods is unclear. This paper calls on empirical evidence collected in the Walled City of Ahmedabad, India, home to Hindu and Muslim residents in distinct neighbourhoods for centuries. Employing Space Syntax method, this paper reveals significant differences in how public spaces are spatially laid out by these two communities. Muslim neighbourhoods have a spatial structure typical of a naturally evolved settlement, where the most integrated spaces are clustered centrally. In contrast, Hindu neighbourhoods have an ‘inside-out’ pattern, with the most integrated spaces located at the neighbourhood edge. The cultural significance of these distinct forms is discussed alongside the relationship between the neighbourhoods and the rest of the city. These findings on spatial structure could have an important role in Ahmedabad’s urban planning . A better understanding of how public space relates to lifestyle and culture could contribute to improved community relations. It could also contribute to dealing successfully with communal conflict, economic development, social sustainability as part of Ahmedabad’s future urban planning strategies.

This paper problematises public artopia, in other words the collection of claims in academic literature concerning the allegedly physical-aesthetic, economic, social, and cultural-symbolic roles of art in urban public space. On the basis of interviews with public-art producers (artists, public officials, investors, and participating residents) in a flagship and a community-art project in Amsterdam, we analyse the situatedness of their public-art claims according to actors’ roles, geographical context, and time. The research suggests that public-art theory and policy suffer from three deficiencies. Theoretical claims about public-art and policy discourse feature, first, a failure to recognise different actors’ perspectives: claims fail to locate situated knowledges that are intrinsically (re)constituted by actors’ roles articulating with one another in time and space. Second is the lack of geographical contextuality: claims do not elaborate appropriately on distinct discourses about art projects’ spatial settings. Third is the lack of temporal perspective. Claims neglect the practice of public-art realisation: that is, the evolution of claims and claim coalitions over the time horizon of the art projects: preparation, implementation, and evaluation.

By studying the mathematical properties of metrics, we identify three fundamental characteristics of distance, which are optimality, detour and break. In this paper, we explore the implications of these properties for transport planning, urbanism and spatial planning. We state that distances contain the idea of optimum and that any distance is associated to a search for optimisation. Pedestrian movements obey this principle and sometimes depart from designed routes. Local suboptimality conveyed by public transport maps has to be corrected by interventions on public space to relieve the load on central parts of networks. The second principle we state is that detour in distances is most often a means to optimise movement. Fast transport systems generate most of the detour observed in geographical spaces at regional scale. This is why detour has to be taken into account in regional transport policies. The third statement is that breaks in movement contribute to optimising distances. Benches, cafe´s, pieces of art, railway stations are examples of the urban break. These facilities of break represent an urban paradox: they organise the possibility of a break, of a waste of time in a trip, and they also contribute to optimising distances in a wider network. In that sense, break should be considered as a relevant principle for the design of urban space in order to support a pedestrian-oriented urban form.

There are numerous ways in which people make illegal or unauthorized alterations to urban space. This study identifies and analyzes one that has been largely ignored in social science: explicitly functional and civic-minded informal contributions that I call “do-it-yourself urban design.” The research, which began as an investigation into more “traditional” nonpermissable alterations, uncovered these cases—from homemade bike lanes and street signs to guerrilla gardens and development proposals—that are gaining visibility in many cities, yet are poorly accounted for by existing perspectives in the literature. This article examines the existing theories and evidence from interviews and other fieldwork in 14 cities in order to develop the new analytical category of DIY urban design. I present findings on the creators of these interventions, on their motivations to “improve” the built environment where they perceive government and other development actors to be failing, and on the concentration of their efforts in gentrifying areas. This introduces the possibility of conflict and complicates their impact. I argue that DIY urban design has wide-ranging implications for both local communities and broader urban policy.

This paper explores some of the more extreme tendencies in the management of public space to consider whether current policy directions, in this case in central Scotland, are driven by a desire to empower or control users of such spaces. The title of the paper is taken from the theoretical lenses provided by Neil Smith and Sharon Zukin in their differential views on trends in the management and control of public spaces. The paper focuses on two local case studies to examine the possibility that a ‘revanchist’ element is emerging in policies towards public spaces in Britain. The paper concludes that programmes designed to deal with urban and public space are a reaction to both real and perceived problems. However, there has been a privileging of a policy discourse which celebrates the displacement of social problems rather their resolution. It is argued that such a discourse cannot ultimately provide sustainable policies for the regulation of public spaces and threatens the inclusion of some users of public spaces who may not be considered to be legitimate patrons. While this does more to foster fearful than inclusive public spaces, a thorny question remains over whether some degree of exclusion is a necessary price for policies which seek to secure public space and maintain a wider quality of life.

This article asks whether locality and the varied resources, networks and racialized histories of local actors make a difference in the experience of immigrants and their transnational practices. Such questions are typically explored in metropolitan centers and global cities, but the present work results from an ethnographic study of a previously all‐white rural Illinois town, where the meat processing industry recruited a labor force translocally among Latin Americans and West Africans. The article reports on the experience of this rapidly diversifying town where both formal politics and the liberal‐democratic channels of citizens' participation in governance remain exclusionary. Despite this, the diverse immigrant populations have achieved a certain inclusion in public institutions and public spaces. Paying attention to the dynamics developing across immigrant groups through everyday spaces of interaction within their residential community, I argue that the kinds of mediating spaces local context offers are critical to the ability of diverse immigrant groups to renegotiate the interracial social and spatial relations they encounter in a highly contested and constrained context where a global corporation is the sole local employer.