A spreadsheet interface for logic programming
CHI '89 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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AAAI '94 Proceedings of the twelfth national conference on Artificial intelligence (vol. 1)
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IEEE Intelligent Systems
PADL '02 Proceedings of the 4th International Symposium on Practical Aspects of Declarative Languages
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VLHCC '04 Proceedings of the 2004 IEEE Symposium on Visual Languages - Human Centric Computing
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Proceedings of the 27th international conference on Software engineering
A Functional Spreadsheet Framework for Authoring Logic Implication Rules
RuleML '08 Proceedings of the International Symposium on Rule Representation, Interchange and Reasoning on the Web
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ISWC '09 Proceedings of the 8th International Semantic Web Conference
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Spreadsheets are a widespread tool for a variety of tasks, particularly in business settings. Spreadsheet users employ a form of programming that, although popular, is highly error-prone and has limited expressiveness. A promising approach to overcome these shortcomings is to augment spreadsheets with logic-based knowledge representation and reasoning (KR&R) functionality. In this paper, we present Logic Embedded in SpreadSheets (LESS), a system which integrates PowerLoom, a highly expressive logic-based KR&R system, with Microsoft (MS) Excel. The design of LESS provides different tiers of functionality that explore trade-offs between direct access to the underlying logic engine and user-friendly support for spreadsheets users. A prototype of LESS was implemented as an MS Excel add-in.