Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka最新文献_第8页

Napadi ubacivanjem SQL izraza – prevencija i obrana 攻击SQL表达式-预防和防御

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Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka Pub Date : 2020-01-01 DOI: 10.31784/zvr.8.1.10

Nikolina Ljubičić, Danijela Jakšić, Patrizia Poščić

{"title":"Napadi ubacivanjem SQL izraza – prevencija i obrana","authors":"Nikolina Ljubičić, Danijela Jakšić, Patrizia Poščić","doi":"10.31784/zvr.8.1.10","DOIUrl":"https://doi.org/10.31784/zvr.8.1.10","url":null,"abstract":"Napad ubacivanjem SQL izraza jedna je od najozbiljnijih prijetnji sigurnosti aplikacija zasnovanih nad bazom podataka. Ona omogućuje napadaču da stekne kontrolu nad bazom podataka aplikacije, čime napadač dobiva mogućnost izmjene podataka. Mnoga se istraživanja usmjeravaju na ovaj problem. Brojni su autori predložili različite pristupe za otkrivanje i sprječavanje ove ranjivosti, no koliko je ovaj problem i dan danas prisutan govori i činjenica da ni ti pristupi ne predstavljaju u potpunosti uspješno rješenje. U ovom radu opisano je nekoliko vrsta napada ubacivanjem SQL izraza te različiti alati i metode koji mogu pružiti određenu prevenciju i obranu od tih napada. Predložene su različite metode za rješavanje problema napada ubacivanjem SQL izraza u obliku opsežnih pregleda varijacija napada ubacivanjem SQL izraza te njihovih opisa i primjera, kako bi se bolje spoznao njihov štetan utjecaj i krajnje posljedice. Štoviše, u radu je dan i kratak pregled prijedloga pojedinih autora vezanih uz prevenciju i obranu od napada ubacivanjem SQL izraza. Na kraju je iznesen zaključak uz objektivan pregled i analizu cjelokupnog istraživanja. Glavni doprinos rada je pregled dosadašnjih istraživanja i pristupa vezanih uz: a) prevenciju napada ubacivanjem SQL izraza i b) obranu od napada ubacivanjem SQL izraza.","PeriodicalId":40998,"journal":{"name":"Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.31784/zvr.8.1.10","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69398182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Artificial neural networks in modelling seasonal tourism demand - case study of Croatia 人工神经网络在季节性旅游需求建模中的应用——以克罗地亚为例

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Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka Pub Date : 2020-01-01 DOI: 10.31784/zvr.8.1.2

M. Gregorić, T. Baldigara

{"title":"Artificial neural networks in modelling seasonal tourism demand - case study of Croatia","authors":"M. Gregorić, T. Baldigara","doi":"10.31784/zvr.8.1.2","DOIUrl":"https://doi.org/10.31784/zvr.8.1.2","url":null,"abstract":"The purpose of this paper is to design an artificial neural network in the attempt to define the data generating process of the number of German tourist arrivals in Croatia considering the strong seasonal character of empirical data. The presence of seasonal unit roots in tourism demand determinants is analysed using the approach developed by Hylleberg, Engle, Granger and Yoo – Hegy test. The study is based on seasonality analysis and Artificial Neural Networks approach in building a model which intend to describe the behaviour of the German tourist flows to Croatia. Different neural network architectures were trained and tested, and after the modelling phase, the forecasting accuracy and model performances were analysed. Model performance and forecasting accuracy evaluation was tested using the mean absolute percentage error. Based on the augmented HEGY test procedure it can be concluded the German tourist arrivals to the Republic of Croatia have nonstationary behaviour associated with the zero frequency and seasonal frequency. Taking this into consideration, in the analysis of the phenomenon it is necessary to consider its seasonal character. Given the importance of the tourism for Croatian economic development, the research results could be useful, for both, researchers and practitioners, in the process of planning and routing the future Croatian hotel industry development and improvement of business performances.","PeriodicalId":40998,"journal":{"name":"Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.31784/zvr.8.1.2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69397966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Strategictourism planning in Portugal 葡萄牙的战略旅游规划

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Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka Pub Date : 2020-01-01 DOI: 10.31784/zvr.8.1.23

S. Bailoa, P. Cravo

引用次数: 0

Translation erroranalysis in Treat Treat中的翻译错误分析

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Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka Pub Date : 2019-05-15 DOI: 10.31784/zvr.7.1.7

Suzana Majcunić, M. Matetić, Marija Brkic Bakaric

{"title":"Translation error\u0000analysis in Treat","authors":"Suzana Majcunić, M. Matetić, Marija Brkic Bakaric","doi":"10.31784/zvr.7.1.7","DOIUrl":"https://doi.org/10.31784/zvr.7.1.7","url":null,"abstract":"The aim of this research paper is to conduct a thorough analysis of inter-annotator agreement in the process of error analysis, which is well-known for its subjectivity and low level of agreement. Since the process is tiresome in its nature and the available user interfaces are pretty distinct from what the average annotator is accustomed to, a user-friendly Windows 10 application offering a more attractive user interface is developed with the aim to simplify the process of error analysis. Translations are performed with Google Translate engine and English-Croatian is selected as the language pair. Since there has been a\u0000lot of dispute on inter-annotator agreement and the need for guidelines\u0000has been often been emphasized as crucial, the annotators are given a very detailed introduction into the process of error analysis itself. They are given a presentation with a list of the MQM guidelines enriched\u0000with tricky cases. All annotators are native speakers of Croatian as the target language and have a linguistic background. The results demonstrate that a stronger agreement indicates more similar backgrounds\u0000and that the task of selecting annotators should be conducted more carefully. Furthermore, a training phase on a similar test set is deemed\u0000necessary in order to gain a stronger agreement.","PeriodicalId":40998,"journal":{"name":"Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2019-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.31784/zvr.7.1.7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49355566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

The impact of ethicalideologies on the judgment of online marketingcommunications ethics inthe tourism market 伦理学对网络营销判断的影响旅游市场的传播伦理

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Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka Pub Date : 2019-05-13 DOI: 10.31784/ZVR.7.1.5

D. Lončarić, Mateja Balent

{"title":"The impact of ethical\u0000ideologies on the judgment of online marketing\u0000communications ethics in\u0000the tourism market","authors":"D. Lončarić, Mateja Balent","doi":"10.31784/ZVR.7.1.5","DOIUrl":"https://doi.org/10.31784/ZVR.7.1.5","url":null,"abstract":"The purpose of this paper is to study the relationship between ethical ideologies and the judgment of online marketing communications ethics in\u0000the tourism market. The aim of the research is also to establish a relationship between the judgement of online communications ethics and behavioural intentions. The paper is based on empirical research conducted using the scenario method and survey method. The Ethics Position Questionnaire (EPQ) was used to measure ethical ideology along two dimensions, relativism and idealism. Five scenarios were designed, describing potentially ethically ambiguous situations. A relationship was established between ethical ideologies and ethical judgements of online marketing communications. The study proved that respondents who scored higher on the idealism scale have more rigid criteria with regard\u0000to online communications ethics and were better at recognising ethically ambiguous situations. A relationship between the ethical judgements of the described situations and behavioural intention was also established. Although topics relating to online communications on the tourism market are extensively researched, there are few studies dealing with ethical judgement of such communications. The special contribution of this paper is in the fact that research includes students of tourism and hospitality who will, in the near future, find themselves in situations where they will need to make, and take moral responsibility for, decisions regarding communications in the tourism market. Therefore, this research contributes both to theory and practice.","PeriodicalId":40998,"journal":{"name":"Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2019-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.31784/ZVR.7.1.5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49256390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Kriteriji kvalitete biljnog materijala i eteričnog ulja primorskogsmilja (Helichrysum italicum (Roth.) G. Don) Kriteriji kvalitete biljnog materijala i eteričnog ulja primorskogsmilja（Helichrysum italicum（Roth）G.Don）

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Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka Pub Date : 2019-05-13 DOI: 10.31784/zvr.7.1.22

M. Peršić, Karla Leko, Slavica Dudaš

{"title":"Kriteriji kvalitete biljnog materijala i eteričnog ulja primorskog\u0000smilja (Helichrysum italicum (Roth.) G. Don)","authors":"M. Peršić, Karla Leko, Slavica Dudaš","doi":"10.31784/zvr.7.1.22","DOIUrl":"https://doi.org/10.31784/zvr.7.1.22","url":null,"abstract":"Immortelle (Helichrysum italicum) is a xerophytic plant species naturally present in the wild population of Mediterranean on karst and dry terrains. Since ancient times, the immortelle has been known as a “non-vein plant” and is highly valued due to its wide application in folk medicine. Antimicrobial, antiviral, anti-inflammatory, antioxidative, regenerative, insecticidal and repellent properties of essential oil and hydrolates are a frequent subject of recent research. The chemical composition of the essential oil and characteristics of plant material have a direct effect on market price. This research was conducted by a survey of producers and buyers of immortelle plant material and essential oil with the aim to gather information on the quality criteria of plant material and essential oil. The collected data\u0000showed that the basic criteria for quality determination of plant material are controlled growing conditions and the main parameters affecting the price of the essential oil are chemical composition, i.e. the content and ratio of α-pinene and neryl acetate.","PeriodicalId":40998,"journal":{"name":"Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2019-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.31784/zvr.7.1.22","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69397458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Prikaz sustava za upravljanje informacijama na autocestama pomoću dijagrama 显示系统托盘图标

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Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka Pub Date : 2019-05-13 DOI: 10.31784/zvr.7.1.24

Josip Jerčić, Mirta Mataija

{"title":"Prikaz sustava za upravljanje informacijama na autocestama pomoću dijagrama","authors":"Josip Jerčić, Mirta Mataija","doi":"10.31784/zvr.7.1.24","DOIUrl":"https://doi.org/10.31784/zvr.7.1.24","url":null,"abstract":"Autoceste u Republici Hrvatskoj opremljene su najmodernijim sustavima za\u0000upravljanje i kontrolu prometa. Sustav nadzora i upravljanja prometom na autocestama provodi se konstantno 24 sata na dan iz centara za održavanje i kontrolu prometa koji se nalaze uz pojedine dionice autocesta. Centri za kontrolu prometa na autocestama uz uporabu modernih\u0000inteligentnih transportnih sustava konstantno i u realnom vremenu nadziru stanje na autocestama te uz pomoć razvijenih modernih informatičkih sustava upozoravaju i pripremaju korisnike autocesta na sve izvanredne situacije na koje bi mogli naići. Uz pomoć kamera i sustava videonadzora razmještenog po autocestama operateri imaju uvid u trenutno stanje na dionici na autocesti prvenstveno pomoću kamera za detekciju prometnih nesreća, vožnje u suprotnom smjeru, zastoja na prometnici i sl. Brojne meteorološke postaje uzduž autocesta također prikupljaju i obrađuju podatke vezane uz vremenske prilike na autocesti te korisnike autocesta upozoravaju na sve moguće vremenske uvjete koji se očekuju na njoj. U radu je sustav upravljanja informacijama na autocestama opisan dijagramom. Na taj način prikazan je tijek informacija ključnih za povećanje sigurnosti i rješavanje problema emisija i zagušenja. Prikaz tijeka informacija između sustava senzora s jedne strane, operatera u centrima za održavanje i kontrolu prometa s druge te sustava promjenjivih znakova s treće strane dan je pomoću dijagrama. Pravodobno informiranje sudionika u prometu o promjenjivim meteorološkim uvjetima putem promjenjivih znakova od presudnog je značaja za sigurno odvijanje prometa na autocestama.","PeriodicalId":40998,"journal":{"name":"Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka","volume":"55 9 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2019-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.31784/zvr.7.1.24","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69397503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

NUMERIČKA ANALIZA PENETRACIJE PAKETA MLAZA GORIVA I DOMJEŠAVANJA PLINA U KVAZIDIMENZIJSKOM NUMERIČKOM MODELU DIZELSKOG MOTORA S DIREKTNIM UBRIZGAVANJEM 政府与音乐合作的一揽子计划集中度数字分析

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Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka Pub Date : 2019-05-13 DOI: 10.31784/ZVR.7.1.11

V. Mrzljak, Božica Žarković

引用次数: 4

Protokoli tehničke analize u razlučivanju podcijenjenosti od niske cijene 区分低估和低价的技术分析协议

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Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka Pub Date : 2019-05-13 DOI: 10.31784/zvr.7.1.18

Vedran Šarlija, Marijana Vuraić-Kudeljan, Denis Buterin

{"title":"Protokoli tehničke analize u razlučivanju podcijenjenosti od niske cijene","authors":"Vedran Šarlija, Marijana Vuraić-Kudeljan, Denis Buterin","doi":"10.31784/zvr.7.1.18","DOIUrl":"https://doi.org/10.31784/zvr.7.1.18","url":null,"abstract":"Financijska tržišta bitna su sastavnica gospodarskog okruženja, a njihova kretanja često su izučavale različite interesne skupine. Premda nije moguće s potpunom sigurnošću predvidjeti kretanja na financijskim tržištima, zahvaljujući razvoju znanosti i tehnologije danas postoje analitički protokoli i alati kojima se ta kretanja ipak mogu kvantificirati, uvažavajući pritom određena ograničenja te određenu razinu rizika. Autori u radu istražuju kretanje cijene dionice grupacije\u0000Đuro Đaković d. d. te upotrebom pouzdanih pokazatelja tehničke analize izvode zaključke o budućim kretanjima trendova i budućim cjenovnim razinama u kratkom, dugom i srednjem roku, s ciljem primjene rezultata na donošenje odluka u investicijskim procesima. U svakom od promatranih razdoblja autori uočavaju prisutnost negativnog trenda. Ovakvi su rezultati začuđujući, uzme li se u obzir relativno povoljan položaj poduzeća na tržištu te njegova relativna gospodarska snaga. Ipak, analiza momentuma, indeksa relativne snage i MACD signala ukazuje na naznake slabljenja negativnog trenda u kratkom i srednjem razdoblju, dok\u0000se oporavak i porast na eventualne više cjenovne razine mogu očekivati tek u dužem roku","PeriodicalId":40998,"journal":{"name":"Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2019-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.31784/zvr.7.1.18","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69397285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Važnost intrinzičnih i ekstrinzičnih motivatora kod odabira prvog poslodavca 在选择第一个雇主时，内在和外在激励因素的重要性

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Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka Pub Date : 2019-05-13 DOI: 10.31784/ZVR.7.1.14

Ivana Načinović Braje, Ana Aleksić, Lucija Babok

{"title":"Važnost intrinzičnih i ekstrinzičnih motivatora kod odabira prvog poslodavca","authors":"Ivana Načinović Braje, Ana Aleksić, Lucija Babok","doi":"10.31784/ZVR.7.1.14","DOIUrl":"https://doi.org/10.31784/ZVR.7.1.14","url":null,"abstract":"Privlačnost poslodavca utječe na želju za zapošljavanjem i radom u određenoj organizaciji pa se organizacije sve češće pokušavaju diferencirati od ostalih u sektoru te u mislima potencijalnih zaposlenika stvoriti sliku poželjnog poslodavca. Istovremeno, pojedince na akciju mogu potaknuti razni motivi, intrinzičnog i ekstrinzičnog karaktera. Svrha rada je utvrditi vrstu motivacije kojom su pojedinci vođeni u ostvarivanju vlastitih ciljeva te utvrditi ulogu pojedinih čimbenika motivacije prilikom donošenja odluke o zapošljavanju u određenoj organizaciji. Ciljevi istraživanja su sljedeći: utvrditi razinu intrinzične i ekstrinzične motivacije ispitanika, utvrditi važnost pojedinih obilježja poslodavca prilikom odabira prvog poslodavca\u0000te prikupiti saznanja o razlikama u poželjnim obilježjima poslodavca između ispitanika koji su intrinzično i ekstrinzično motivirani. Istraživanje je provedeno u dva navrata tijekom dviju godina korištenjem\u0000online anketnog upitnika na uzorku od 165 ispitanika, studenata diplomskih studija, prvostupnika i magistara koji ne mogu naći posao ili\u0000su u postupku stručnog osposobljavanja. Utvrđeno je da su ispitanici dominantno motivirani intrinzičnim motivima. Za visokoobrazovane mlade izrazitu važnost prilikom odabira prvog poslodavca imaju mogućnost za stjecanje iskustva u struci i dobri odnosi s kolegama, što dodatno potvrđuje visoku intrinzičnu motivaciju mladih u Hrvatskoj. Skupinu obilježja poslodavca od najmanje važnosti mladima predvode karakteristike organizacije – njena veličina i djelatnost.","PeriodicalId":40998,"journal":{"name":"Zbornik Veleucilista u Rijeci-Journal of the Polytechnics of Rijeka","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2019-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.31784/ZVR.7.1.14","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47655765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1