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The purpose of this paper is to examine how accounting is implicated in the creation and maintenance of organizational boundaries. The analysis focuses on organizations subjected to conflicting objectives as a result of new public management (NPM) reforms.

The analysis is based on case studies of four cultural organizations (Show Caves) in Greece. Data are collected from semi-structured interviews, informal discussions and document analysis. The paper draws on Bourdieu’s concepts of “field”, “capital” and “habitus” and Llewellyn’s analysis of organizational boundary maintenance.

The study observes that NPM reforms contributed to shifting organizational boundaries – from cultural/archaeological to economic/financial and this resulted in conflicting organizational objectives. This subsequently created conflicts between key actors (municipal politicians, professional managers and anthropologists). These actors, depending on the positions (and habitus) they occupy, and the capital (political, cultural and symbolic) they hold, are able to bargain for resources (economic capital). The conflicting objectives (archaeological/cultural/historical, political and commercial) that emerged and the tensions that arose between the key players shaped the identities and boundaries of the Show Caves.

The study makes an original contribution by revealing the complexity and struggle between actors and the role of accounting in managing the boundaries. For example, the study explains how financial threshold and accountability structures function within these cultural organizations that are subjected to conflicting objectives in the context of NPM reforms.

The purpose of this paper is to examine how the use of immersive virtual reality (IVR) impacts on the surprise aspects of designing.

The empirical case is a new hospital in the UK wherein a CAVE (Cave Automatic Virtual Environment) type of an IVR environment was used performing six design review sessions during the bid preparation stage. Drawing from a former video-based study, the authors conducted follow-up discussions with the participants to access their perspectives on design surprises emerging from their engagement with the IVR. The study developed a reflective methodology, interviewing participants about their experiences of doing design in the immersive environment. Retrospective discussions were conducted in a data review format, through playing back video clips of the IVR design sessions and asking the participants to reflect on their IVR design experience and on design surprises emerging from their engagement with the IVR.

The findings indicate that IVRs, such as the CAVE, are not only enhancing existing understandings of design but also challenging the participants' understanding of the design as they experience the immersive version of it, provoking ruptures in current procedures and driving unanticipated changes to the design.

This qualitative study of surprise in design work using IVRs (for a real-life design project) brings new insights into emerging practices of designing using immersive technology, such as the CAVE.

In caves, radon has been identified as occurring at elevated levels by a number of groups but, with the exception of major show caves, its impact and risk to those who work in the caves has not received adequate attention thus far. This paper details surveys performed within a number of caves in a relatively “low risk” geographical area of the UK and proceeds to quantify the risk of exposure in those cave environments. Radon levels of 2,600 Bq m^–3 have been recorded but this is likely to underestimate the levels in many parts of the cave system for reasons associated with cave architecture, hydrology and aeration. A further survey was conducted within Goatchurch Cavern to investigate the effect of seasonal variations on the recorded radon concentration, from which an average summer to winter ratio of 4.79 was determined. Radiation doses to users of the caves were estimated and for occupational cavers doses of in excess of 16mSv were found to be likely.

The purpose of this paper is to present a novel computational framework capable of simulating the block cave phenomenon of fines migration in two dimensions. Fines migration is characterised by the faster movement of fine and often low‐grade material towards the draw point in comparison to larger, blocky material. A greater understanding of the kinematic behaviour of fines and ore within the cave during draw is integral to the solution of this problem.

The lattice Boltzmann method (LBM) is employed in a nonlinear form to represent the fines as a continuum, and it is coupled to the discrete element method (DEM) which is used to represent large blocks. The issues relevant to this approach, such as fluid‐solid interaction, the synchronisation of explicit schemes, and the characterisation of a bulk material as a non‐Newtonian fluid are discussed.

Results of the 2D simulations reveal migration trends for the geometries, material properties and operational sequences analysed. By executing an extensive programme of numerical experiments the influence of these and other relevant block cave factors on the migration of fines could be isolated.

To the authors' knowledge, this is the first time the LBM has been used to simulate the flow of bulk materials. The non‐Newtonian LBM‐DEM framework is also a novel approach to the investigation of fines migration, which until now has been limited to scale models, cellular automata or pure DEM simulations. The results of the 2D migration analyses highlight the potential for this novel approach to be applied in an industrial context and also encourage the extension of the framework to 3D.

The purpose of this paper is to present a novel computational framework based on the lattice Boltzmann method (LBM) and discrete element method (DEM) capable of simulating fines migration in three dimensions. Fines migration occurs in a block cave mine, and is characterised by the faster movement of fine and often low‐grade material towards the draw point in comparison to larger, blocky material.

This study builds on the foundations and applications outlined in a companion paper, in which the non‐Newtonian LBM‐DEM framework is defined and applied in 2D simulations. Issues relevant to the extension to 3D, such as spatial discretisation, fluid boundary conditions and the definition of synthetic bulk material parameters using a power law model, are discussed.

The results of the 3D DEM percolation replication showed that migration is predominantly limited to within the draw zone, and that the use of a low‐cohesion material model resulted in a greater amount of fines migration. The draw sensitivity investigation undertaken with the two bell partial block cave analysis did not show a significant difference in the amount of migration, despite the two draw strategies being deliberately chosen to result in isolated and interactive draw of material.

Along with the companion paper, this paper presents a novel application of the developed non‐Newtonian LBM‐DEM framework in the investigation of fines migration, which until now has been limited to scale models, cellular automata or pure DEM simulations. The results highlight the potential for this approach to be applied in an industrial context, and indicate a number of potential avenues for further research.

Landscapes bear potential as heritage resources, unifying natural and cultural history that can be experienced today in special preserved areas. The paper aims to discuss these issues.

Geoarchaeological investigation 2006-2011 explored this potential at the Ritidian Unit of Guam National Wildlife Refuge.

As experienced today, the Ritidian landscape heritage embodies the complex outcomes of a 3,500-year record of ecology and evolution.

A long-term perspective of unified natural-cultural history will increase scientific accuracy and enhance visitor experience of landscapes of heritage resources.

Sustainable development of landscape heritage can occur most successfully in cases of thorough research in areas of protected and managed ecosystems with reasonable public access.

The detailed results in this case may serve as a model example for other studies and programmes developing landscapes as heritage resources.

Social media is characterized by its volume, its speed of generation and its easy and open access; all this making it an important source of information that provides valuable insights. Content characteristics such as valence and emotions play an important role in the diffusion of information; in fact, emotions can shape virality of topics in social media. The purpose of this research is to fill the gap in event detection applied on online content by incorporating sentiment, more specifically strong sentiment, as main attribute in identifying relevant content.

The study proposes a methodology based on strong sentiment classification using machine learning and an advanced scoring technique.

The results show the following key findings: the proposed methodology is able to automatically capture trending topics and achieve better classification compared to state-of-the-art topic detection algorithms. In addition, the methodology is not context specific; it is able to successfully identify important events from various datasets within the context of politics, rallies, various news and real tragedies.

This study fills the gap of topic detection applied on online content by building on the assumption that important events trigger strong sentiment among the society. In addition, classic topic detection algorithms require tuning in terms of number of topics to search for. This methodology involves scoring the posts and, thus, does not require limiting the number topics; it also allows ordering the topics by relevance based on the value of the score.

The peer review history for this article is available at: https://publons.com/publon/10.1108/OIR-12-2019-0373

The purpose of this paper is to highlight the use of small river ferries as an under-researched but novel mode of travel which enhances and brings new dimensions to tourist experiences of travelling landscapes.

The study used a mixed methods approach including participant observation, a survey and interviews with ferry users and staff at one river crossing in South West England.

The ferry attracts tourists as a different and practical mode of transport. The river crossing provides an experience of being on water, and the material structure of the ferry significantly shapes on-board interactions whilst providing new perspectives of place.

This article draws on data collected for a study of ferry crossings conducted at three sites in Devon and Cornwall, England, using multiple methods. The material presented in this article focuses on one site and draws on four interviews, twelve reflection cards and observations.

The research highlighted the extent to which the ferry is dependent on tourist use. At the same time, it reveals the extent to which the crossing enriches the tourist experience and celebrates a ferry’s contribution to local place-making.

The majority of research on ferry crossings focuses on commuter experiences, marine crossings and larger passenger vessels. This article makes an original contribution to literature on ferries, as it offers a perspective on tourist experiences of river ferry crossings, reveals how the ferry structure influences interrelations on-board and provides distinctive insights into place through a focus on movement across water.

There has been a revolution in the winemaking and marketing of the country wines of southern France in the Languedoc‐Roussillon — the Vins de Pays d'Oc. This revolution has been founded on premium varietal wines and exploited modern techniques of vinification and marketing, which have drawn heavily on the experiences of the so‐called ‘New World.’ These new wines have successfully penetrated export markets, particularly the UK. Such developments, however, have attracted controversy, being criticised for encouraging the production of homogeneous, geographically inert, formulaic wines from well established rather than local grape varieties. However, a number of ventures are now showing increased recognition of local varieties and geographies in their winemaking and it is expected that such developments will continue. Moreover it is argued that the introduction of modern techniques in vinification and marketing, far from having a detrimental effect, have been of great benefit to the region.