| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
-1.770 | -0.068 |
|
Retracted Output
|
0.108 | -0.191 |
|
Institutional Self-Citation
|
3.492 | 1.380 |
|
Discontinued Journals Output
|
2.391 | 0.691 |
|
Hyperauthored Output
|
-1.372 | 0.149 |
|
Leadership Impact Gap
|
-2.332 | 0.831 |
|
Hyperprolific Authors
|
-1.413 | -0.770 |
|
Institutional Journal Output
|
-0.268 | 1.113 |
|
Redundant Output
|
1.151 | 0.832 |
The Technical University of Varna presents a dual profile of scientific integrity, marked by exceptional strengths in research autonomy alongside critical vulnerabilities in publication practices. With an overall risk score of 0.212, the institution demonstrates robust internal governance in key areas, showing very low-risk levels for multiple affiliations, hyper-authorship, hyper-prolific authors, and output in institutional journals. A standout achievement is the negative gap between its overall impact and the impact of its led research, signaling strong, independent intellectual leadership. However, this positive foundation is challenged by a significant risk in institutional self-citation and medium-level alerts for retracted output, publication in discontinued journals, and redundant publications. These weaknesses directly threaten the university's mission to prepare "highly qualified specialists for the world economy" and achieve "new standards in communication." While its strong national rankings in Engineering (7th) and Physics and Astronomy (6th) according to SCImago Institutions Rankings data confirm its thematic leadership, practices like academic endogamy and reliance on low-quality journals risk undermining the international credibility of this expertise. To fully realize its mission, the university should leverage its clear capacity for research leadership to implement stricter quality controls and foster a more outward-looking publication strategy, ensuring its valuable contributions are validated and recognized by the global scientific community.
The institution demonstrates exemplary clarity in its collaborative footprint, with a Z-score of -1.770, which is significantly lower than the national average of -0.068. This result reflects a very low-risk profile that is consistent with, and even exceeds, the national standard for integrity. The absence of risk signals in this area indicates that the university's affiliations are transparent and well-managed, avoiding any suggestion of strategic "affiliation shopping" to artificially inflate institutional credit. This reinforces the legitimacy of its research partnerships and contributes to a strong foundation of scientific integrity.
The university shows a moderate deviation from the national trend, with a Z-score of 0.108 compared to the country's low-risk score of -0.191. This indicates a greater institutional sensitivity to the factors leading to retractions than its peers. While retractions can sometimes signify responsible supervision and the correction of honest errors, a rate that is notably higher than the national standard serves as an alert. It suggests a potential vulnerability in the institution's integrity culture, where quality control mechanisms prior to publication may be failing more frequently, indicating a need for a qualitative review of its pre-publication validation processes.
A critical alert is raised by the institution's rate of self-citation, which, with a Z-score of 3.492, significantly amplifies the medium-risk vulnerability already present in the national system (Z-score: 1.380). This disproportionately high rate signals a concerning level of scientific isolation and the potential formation of an 'echo chamber,' where the institution's work is validated without sufficient external scrutiny. This practice presents a significant risk of endogamous impact inflation, suggesting that the institution's academic influence may be artificially oversized by internal dynamics rather than by genuine recognition and validation from the global scientific community, a practice that requires urgent strategic review.
The institution demonstrates high exposure to the risks associated with publishing in low-quality venues, with a Z-score of 2.391 that is considerably higher than the national average of 0.691. This pattern constitutes a critical alert regarding the due diligence applied in selecting dissemination channels. Such a high proportion of output in discontinued journals indicates that a significant amount of research is being channeled through media that fail to meet international ethical or quality standards. This practice exposes the institution to severe reputational risks and suggests an urgent need for enhanced information literacy among its researchers to avoid wasting resources on 'predatory' or substandard publication outlets.
The university effectively isolates itself from the risk dynamics of authorship inflation observed at the national level. Its Z-score of -1.372 is in the very low-risk category, contrasting sharply with the country's medium-risk score of 0.149. This finding suggests that the institution maintains a culture of accountability and transparency in its authorship practices. By avoiding the trend of inflated author lists, the university successfully distinguishes between necessary, large-scale collaboration and questionable 'honorary' authorship, thereby preserving the principle of meaningful contribution and individual responsibility in its scientific output.
The institution demonstrates exceptional scientific autonomy and leadership, a key area where it shows preventive isolation from national vulnerabilities. Its Z-score of -2.332 is a powerful indicator of strength, particularly when compared to the country's medium-risk score of 0.831. A negative score in this metric is highly positive, signifying that the impact of research led directly by the institution is greater than the average impact of its overall output, including collaborations. This result indicates that the university's scientific prestige is not dependent on external partners but is driven by its own structural capacity and intellectual leadership, ensuring sustainable and self-reliant academic excellence.
The institution's profile regarding author productivity is one of low-profile consistency, with a Z-score of -1.413 that is even lower than the already low-risk national average of -0.770. The complete absence of risk signals in this area points to a healthy research environment where productivity is balanced and sustainable. This suggests that the university's culture does not encourage practices that prioritize sheer quantity over quality, thereby avoiding the risks associated with extreme publication volumes, such as the dilution of meaningful intellectual contribution or coercive authorship dynamics.
The university demonstrates a commendable preventive isolation from the risks of academic endogamy that are more common at the national level. Its very low Z-score of -0.268 contrasts significantly with the country's medium-risk score of 1.113. This indicates a strong commitment to external, independent validation of its research. By not relying on its own journals, the institution avoids potential conflicts of interest and ensures its scientific production undergoes standard competitive peer review. This outward-looking strategy enhances the global visibility and credibility of its work, steering clear of using internal channels as potential 'fast tracks' to inflate publication records.
The institution shows a high exposure to practices related to data fragmentation, with a Z-score of 1.151 that is notably above the national average of 0.832. This alert suggests that the university is more prone than its peers to publishing work with massive and recurring bibliographic overlap. This pattern is a key indicator of 'salami slicing,' the practice of dividing a coherent study into minimal publishable units to artificially inflate productivity metrics. Such an approach risks distorting the available scientific evidence and overburdens the review system, prioritizing volume over the dissemination of significant new knowledge, and warrants a review of publication guidelines.
