We evaluated two speech research paradigms by comparing standardized sentences to ‘free speech’ (both produced by students without interaction partner). Samples of infant(IDS), foreigner(FDS) and adult-directed speech (ADS) were acoustically analyzed for F0 and hyperarticulation. No difference for hyperarticulation was found between IDS, FDS and ADS, which is in contrast to natural speech and i...

Functional dependencies (FDs) are integrity constraints widely studied in the context of data profiling. In this work, we explore the automatic discovery of FDs and describe a method for selecting relevant ones regarding workload semantics. The experimental evaluation shows that the selected dependencies exhibit expressive properties compared to the search space, which demonstrates the effectiv...

It is not always possible to avoid inconsistency of a set of constraints in a database, for example in a legacy database where we are given an out of date set of constraints which may have changed due to maintenance. Thus we need some mechanism to reassess the set of constraints in order to recover from this inconsistency. We tackle this problem concentrating on the situation when the constrain...

Armstrong relations satisfy precisely those data dependencies that are implied by a given set of data dependencies. A common perception is that Armstrong relations are useful in the acquisition of data semantics, in particular since errors during the requirements elicitation have the most expensive consequences. We report on some first empirical evidence for this perception regarding the class ...

This paper rst presents some new results on excluded functional dependencies, i.e., FDs which do not hold on a given relation schema. In particular, we show how excluded dependencies relate to Armstrong relations, and we state criteria for deciding whether a set of excluded dependencies characterizes a set of FDs. In the rest of the paper, complexity issues related to the following three proble...

AIM To characterise the prevalence of burnout syndrome in a sample of family doctors (FDs) working in the Portuguese National Health System. DESIGN Cross-sectional survey. SETTING Primary healthcare centres from the 18 continental districts and two archipelagos of Portugal. METHOD The Portuguese version of the Maslach Burnout Inventory-Human Services Survey was sent to 40 randomly selecte...

Objective: hepatocellular carcinoma (HCC) ablation by radiofrequency (RFA) is a novel technique with a great variety of methods whose efficacy and predictive factors have not been completely studied. Some of the main predictive factors in this type of treatment are analyzed in the present study. Patients and methods: ninety-three patients with hepatocellular carcinoma over cirrhosis, and with n...

ÐFunctional dependencies (FDs) and inclusion dependencies (INDs) are the most fundamental integrity constraints that arise in practice in relational databases. In this paper, we address the issue of normalization in the presence of FDs and INDs and, in particular, the semantic justification for Inclusion Dependency Normal Form (IDNF), a normal form which combines Boyce-Codd normal form with the...

An Armstrong relation satisfies the functional dependencies (FD) implied by a given FD set and violates all other FDs. Therefore, they form an instance of the design-by-example methodology: the example relation exhibits precisely those FDs that the current design perceives as meaningful for the application domain. The existing framework of Armstrong relations only applies to total relations. We...

BACKGROUND Fern Distortion Syndrome (FDS) is a serious disease of Leatherleaf fern (Rumohra adiantiformis). The main symptom of FDS is distortion of fronds, making them unmarketable. Additional symptoms include stunting, irregular sporulation, decreased rhizome diameter, and internal discoloration of rhizomes. We previously reported an association of symptoms with increased endophytic rhizome p...