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A behavioural approach to information retrieval system design is outlined based on the derivation of a behavioural model of the information seeking patterns of academic social scientists. The information seeking patterns of a variety of academic social scientists were broken down into six characteristics: starting, chaining, browsing, differentiating, monitoring, and extracting. These characteristics constitute the principal generic features of the different individual patterns, and together provide a flexible behavioural model for information retrieval system design. The extent to which these characteristics are available on existing systems is considered, and the requirements for implementing the features on an experimental system are set out.

This research paper explores the roles of electronic texts in research projects in the humanities and seeks to deepen the understanding of the nature of scholars' engagement with e-texts. The study used qualitative methodology to explore engagement of scholars in literary and historical studies with primary materials in electronic form (i.e., e-texts). The study revealed a range of scholars' interactions with e-texts during the whole research process. It uncovered a particular pattern of information-seeking practices in electronic environments called netchaining and the main types of uses and contributions of e-texts to research projects. It was found that e-texts play support and substantive roles in the research process. A number of influences from electronic environment are identified as challenges and aids in working with e-texts. The study does not have statistical significance. It indicates a need for further research into scholarly practices, training requirements, and new forms of service provision. Study results are relevant for the development of digital collections, information services, educational programs, and other forms of support for the use of technology in research. The results can be also used to inform approaches to text encoding and development of electronic information systems and have implications for organizational and industry policies. The study found a range of scholars' interactions and forms of intellectual engagement with e-texts that were not documented and analyzed by earlier studies. It provides insights into disciplinary variations in the humanities and contributes to the understanding of scholarly change catalyzed by information technology.

Motivated by the high cost of material movements in road construction projects, past studies have used analytical methods to optimize materials logistics plans. A key shortcoming of these methods is their inability to capture the uncertain, dynamic and complex characteristics of the road construction material logistics. Failure to incorporate these characteristics can lead to sub-optimal results. The purpose of this study is to propose the use of discrete event simulation (DES) to address the existing shortfall.

Despite the powerful capabilities of DES models in capturing the operational complexities of construction projects, they have not been previously utilized to optimize the material logistics of road construction projects. The proposed DES-based method in this research captures the operational details of material logistics and uses a heuristic approach to overcome the combinatorial problem of numerous choices. The method was applied to a 63.5 km real-world road construction project case to demonstrate its capabilities.

Six different material types from 28 material sources were used in the case. Approximately 1.5% of the material logistics costs were saved by following the proposed method and choosing appropriate material sources.

This research contributes to the body of knowledge by leveraging the capabilities of DES and presenting a novel method for improving the materials logistics plan of road construction projects. The proposed method provides practitioners with the basis for capturing the key operational details that were overlooked in the past. The proposed method can be adopted in road construction projects to reduce the overall material procurement cost.

This paper presents a modeling scheme for objects containing multiple materials or functionally graded materials (FGM), i.e. heterogeneous objects. The material composition variations under this modeling scheme are controlled by some reference features termed as “grading sources”. The “grading source” gathers the type of grading, position of grading and a material grading function for controlling the material transitions and a union operation is defined for interacting between different grading sources.

This Symposium reports on the opportunities available to those who take the initiative to introduce materials management approaches. It examines both the anticipate rates of change and development of the underlying factors as well as the organisational implications they entail. A full bibliography of recent literature is provided. The predicted developments are derived from the findings of a Delphi Study in association with the Institute of Purchasing and Supply conducted by the author in 1976.

This study aims to apply an open-source approach to protect the 3D printing industry from innovation stagnation due to broad patenting of obvious materials.

To do this, first an open-source implementation of the first five conditions of an open-source algorithm developed to identify all obvious 3-D printing materials was implemented in Python, and the compound combinations of two and three constituents were tested on ten natural and synthetic compounds. The time complexity for combinations composed of two constituents and three constituents is determined to be O(n²) and O(n³), respectively.

Generating all combinations of materials available on the Chemical Abstracts Services (CAS) registry on the fastest processor on the market will require at least 73.9 h for the latter, but as the number of constituents increases the time needed becomes prohibitive (e.g. 3 constituents is 1.65 million years). To demonstrate how machine learning (ML) could help prioritize both theoretical as well as experimental efforts a three-part biomaterial consisting of water, agar and glycerin was used as a case study. A decision tree model is trained with the experimental data and is used to fill in missing physical properties, including Young's modulus and yield strength, with 84.9 and 85.1% accuracy, respectively.

The results are promising for an open-source system that can theoretically generate all possible combinations of materials for 3-D printing that can then be used to identify suitable printing material for specific business cases based on desired material properties.

Sees the objective of teaching financial management to be to help managers and potential managers to make sensible investment and financing decisions. Acknowledges that financial theory teaches that investment and financing decisions should be based on cash flow and risk. Provides information on payback period; return on capital employed, earnings per share effect, working capital, profit planning, standard costing, financial statement planning and ratio analysis. Seeks to combine the practical rules of thumb of the traditionalists with the ideas of the financial theorists to form a balanced approach to practical financial management for MBA students, financial managers and undergraduates.

The purpose of this paper is to explore roles of electronic texts (e‐texts) in research enquiry in literary and historical studies, and to deepen the understanding of the nature of scholars' engagement with e‐texts as primary materials. The study includes an investigation of references to e‐texts and discussions about researchers' citation practices in interviews.

Qualitative methodology was used to explore scholars' interactions with e‐texts in 30 research projects. A combination of quantitative and qualitative methods was used to examine citations and any other acknowledgments of e‐texts in participants' prepublications and published works. In‐depth semi‐structured interviews provided data for findings about researchers' citation practices.

Formal acknowledgments of e‐texts do not represent the depth and breadth of researchers' interactions with e‐texts. Assessments of the relevance and trustworthiness of e‐texts, as well as considerations of disciplinary cultures, had some impact on researchers' citation practices.

The study was based on in‐depth data‐gathering from a small group of participants. It does not have any statistical significance and the findings cannot be generalized, but comparisons with other scholars in literary and historical studies are possible. The study indicated a need for further investigation of changing academic practices in general and citation practices in particular.

The findings have implications for the development of standards and institutional support for research in the humanities.

The study provides new insights into the phenomenon of a very small number of citations of electronic sources in publications in the humanities, and considers issues related to citations from the perspective of changing academic cultures.

Important differentiating attributes in the procedures used, the characteristic mineral composition of the binders, and the implications these have on the final long term stability and physico-mechanical performance of the concretes produced are identified and discussed, with the intent to improve transparency and clarity in the field of geopolymer concrete technologies.

This state-of-the-art review covers the area of geopolymer concrete, a class of sustainable construction materials that use a variety of alternative powders in lieu of cement for composing concrete, most being a combination of industrial by-products and natural resources rich in specific required minerals. It explores extensively the available essential materials for geopolymer concrete and provides a deeper understanding of its underlying chemical mechanisms.

This is a state-of-the-art review introducing the essential characteristics of alternative powders used in geopolymer binders and the effectiveness these have on material performance.

With the increase of need for alternative cementitious materials, identifying and understanding the critical material components and the effect they may have on the performance of the resulting mixes in fresh as well as hardened state become a critical requirement to for short- and long-term quality control (e.g. flash setting, efflorescence, etc.).

The topic explored is significant in the field of sustainable concrete technologies where there are several parallel but distinct material technologies being developed, such as geopolymer concrete and alkali-activated concrete. Behavioral aspects and results are not directly transferable between the two fields of cementitious materials development, and these differences are explored and detailed in the present study.

The research project called “Designing a building material relational database management system for Turkish construction sector”, aims to join “supply side” and “demand side” in the same environment that works on the subject of building material information in the Turkish construction sector. The paper aims to discuss the project findings.

Data were gathered from the information supplied and demanded from the points of sources, levels and frequency of updating by the help of the questionnaires conducted. The data gathered were integrated into the pre‐construction stage and used in the analysis of the process as to how this information was used by the “demand side” for building material information. IDEF‐0, a structured methodology for functional process analysis, is used to figure out building material evaluation and selection processes in the pre‐construction stage.

Material evaluation and selection process for the pre‐construction stage is figured out. Behaviors and requirements of demand‐side and supply‐side in building material information is studied. Difficulties in supplying and presenting building material information in Turkey are evaluated.

Although the subject of the paper is well‐known, Turkish practices and problems are evaluated, and an alternative model is suggested for the Turkish construction sector.