A Multidimensional Perceptual Map Approach to Project Prioritization and Selection

When prioritizing projects, managers usually have to evaluate multiple attributes (dimensions) of project data. However, these dimensions are usually condensed into one or two indicators in many existing analysis processes. For example, projects are commonly prioritized using a scoring approach: they are evaluated according to predefined categories, which are then aggregated into one or two priority numbers. We argue that aggregated scores may only offer a limited view of project importance. This often leads decision makers to ignore the possible differences masked by the aggregation. Following the design science research paradigm, this paper presents a visual exploration approach based on multi-dimensional perceptual maps. It incorporates human intuition in the process and maintains the multidimensionality of project data as a decision basis for project prioritization and selection. A prototype system based on the approach was developed and qualitatively evaluated by a group of project managers. A qualitative analysis of the data collected shows its utility and usability

IOBR: Interoperable bee-hive routing in a heterogeneous multi-radio network

WiMAX and WiFi are the two proliferating wireless technologies with different physical and Media Access Control (MAC) layers. Today, WiFi radio is present in almost all the devices, and most of the devices are equipped with WiMAX radio. Both these technologies can be utilized, if the devices are equipped with both of them, to improve the performance. To cope up with the scenario, a method for routing in a heterogeneous infrastructure based mesh network is proposed. The heterogeneous network consists of a coordinator node and a subscriber node. In this paper, we assume that the coordinator nodes are equipped with both WiMAX and WiFi radios, whereas, the subscriber nodes need not have WiMAX radio. The protocol used for routing data is based on the bee-hive algorithm, in which the entire network is divided into foraging zones/regions. We propose a technique in which the intra-foraging zone communication happens through WiFi and the nodes across the foraging zone communicate via the coordinator using WiMAX. It is observed through simulations that our technique improves the overall network performance by making use of both the radios efficiently

Ocular motor nerve palsy: A study on the etiology, clinical course and recovery pattern

AIM OF THE STUDY: To study the frequency of the ocular motor nerves namely, 3rd, 4th and 6th cranial nerve palsies either isolated or combined and to analyse the etiological and recovery pattern of the nerve palsies and the factors influencing the recovery MATERIALS AND METHODS: It is a prospective study including 68 patients attending the ophthalmology OPD with either isolated or combined palsies of 3, 4 and 6th cranial nerves with the onset of palsy within one month period. The clinical diagnosis of the nerve palsies was arrived after obtaining a detailed history and a thorough CNS and ocular examination including the assessment of the lid position, pupils and degree of limitation of extra ocular movements was performed. Hematological investigations were done and neuroimaging was ordered whenever indicated. Patients were categorised into various etiological groups and were analysed with various factors. Patients were monitored for signs of recovery in function at regular intervals for a maximum of 6 months and the pattern of recovery and the factors influencing it were analysed. RESULTS: There was a male preponderance with 70% cases being males. The mean age of the subjects was 46.56±14.28years ranging from 9 to 74 years. Majority (94%) of the cases were unilateral. The most common age group affected was between 51-60 years. The most common presenting symptom was diplopia (50%). Abducens nerve was the commonest nerve palsy (51.5%), followed by 3rd nerve (30.9%), multiple nerve palsy (14.7%) and trochlear nerve palsy (2.9%).The most frequent etiology observed was microvascular in nature (44.1%) followed by trauma (23.5%). Patients in the 6th decade were commonly affected by the microvascular nerve palsy. Pupil was involved in around 48% patients with 3rd nerve palsy was more common (80%) in non microvascular causes, especially traumatic and neoplastic cases. The overall recovery rate was 83% and there was no statistically significant difference between the recovery of different nerve palsies. Patients with a small initial degree of limitation of ocular movements had a better recovery rate. CONCLUSION: Abducens nerve palsy was the most frequent and microvascular etiology was found to be the most common cause of nerve palsy followed by trauma. The overall recovery rate was 83%. Only the initial degree of limitation of movement was significantly associated with the recovery

Obstructive Sleep Apnea – Current Perpectives

Obstructive sleep apnea is a common sleep related breathing disorder. The demand for sleep medicine services has increased exponentially since the recognition of sleep apnea as a disease in the 1960s. The involvement of dentists in the treatment of sleep apnea has increased. It is important that dentists are aware of the problem of sleep disorders and the potential they have to help in their management

Managing Class II Malocclusion Using Twin Block Therapy in a Young Adolescent male: A Case report

Patients with untapped development potential benefit greatly from twin block therapy. However, a variety of patient-related characteristics, including age, gender, patient compliance, and other arbitrary criteria, complicate its effective application. Orthopaedics and growth modification can use the right forces to repair the malocclusion if given the proper care in a timely manner. When a patient has a retruded mandible and is presenting with a positive visual treatment objective, the appliance is quite effective. In this work, a successful skeletal alteration is described in the instance of a male patient, age 11, who had the typical twin block appliance indication

64 Bit Binary Counter with Minimal Clock Period

Novel rapid formations of synchronous binary counting with single minimum period of counting for practical counters are developed in this project. A synchronous binary counter is required in many applications since it is rapid, also can help a broad bit-width. Basically, because of massive fan-outs and extensive carry chains, earlier counters have a limited counting rate, mainly when size of the counter is not modest. It employs a single bit Johnson counter to decrease whole hardware complications, then copy it to lessen the propagation latency caused by huge fan-outs. In this paper, re programmable the clock utilized in it for various applications functioning at different clock rates and there’ll be a variation within the delay values because the clock is reprogrammed the critical may varies for various rates. The counter output results are obtained for various bit up to 64 and therefore the design provides various clock rates with variations in area and delay