This paper presents a novel map building approach for path planning purposes, which takes into account the uncertainty inherent in sensor measurements. To this end, Bayesian estimation and Dempster-Shafer evidential theory are used to fuse the sensory information and to update the occupancy and evidential grid maps, respectively. The approach is illustrated using actual measurements from a labo...

A new clustering algorithm for proximity data, called RECM (Relational evidential c-means) is presented. This algorithm generates a credal partition, a new clustering structure based on the theory of belief functions, which extends the existing concepts of hard, fuzzy and possibilistic partitions. Two algorithms, EVCLUS (Evidential Clustering) and ECM (Evidential c-Means) were previously availa...

The treatment of semantic relations between terms is essential in information retrieval (IR). Each term in a thesaurus might have classes of synonymous, narrower, broader, or related terms. The ability to express formally the semantic relations is a core issue in applying mathematical tools to IR. In the application of evidential theory, particularly, the problems become more apparent since evi...

Intuitively, attitude markers like alas encode not-at-issue information about the speaker’s attitude towards the content of the sentence it occurs in (Frege, 1956; Vanderveken, 1990). Using attitude markers as a case study, I argue that there is in fact a difference between this type of content and canonical not-at-issue content, like that encoded in utterance modifiers like frankly or evidenti...

Research on how information should be presented during inductive category learning has identified both interleaving of categories and blocking by category as beneficial for learning. Previous work suggests that this mixed evidence can be reconciled by taking into account withinand betweencategory similarity relations. In this paper we present a new moderating factor. One group of participants s...

I argue that Stephen Wykstra’s much discussed Parent Analogy is helpful in responding to the evidential problem of evil when it expanded upon from a positive skeptical theist framework. This framework, defended by John Depoe, says although we often remain dark about first-order reasons God allows particular instances suffering, can have second-order would create world with seemingly gratuitous ...

This paper discusses the meaning of the Bulgarian and Turkish evidentials. I argue that evidential forms in these languages have a rich semantic content: they encode the source of information, epistemic modality, and temporality. Ultimately, I show that the meaning of the Bulgarian and Turkish evidentials is not reducible to the meaning of perfect forms, from which the evidential forms are hist...

Moving beyond the dualistic view in AI where agent and environment are separated incurs new challenges for decision making, as calculation of expected utility is no longer straightforward. The non-dualistic decision theory literature is split between causal decision theory and evidential decision theory. We extend these decision algorithms to the sequential setting where the agent alternates be...

The concept of a “Fraud Triangle” is introduced to the professional literature in SAS No. 99, Consideration of Fraud in a Financial Statement Audit. The Fraud Triangle consists of three conditions generally present when fraud occurs: Incentive/Pressure, Opportunity, and Attitude/ Rationalizations. Input from forensic experts, academics and others consistently show that evaluation of information...

Evidentia.l rea.. '>oning in ex pert systems has often used ad-hoc uncertainty calculi. Although it is generally accepted that probability theory provides a firm theoretical fo undat ion, researchers have found some problems with its usc as a workable uncertainty calculus. Among these problems arc representation ol' ignorance, consistency of probabilistic judgements, and adjustment of a priori ...