ESSIR 2011, Day 2

August 30, 2011 – 7:01 pm

Yesterday, on monday the first lectures have began. At 9a.m. we first got our ids. Then I “outsourced” the printing of my poster to organization team at info-point ;) .

After some coffee, the keynote of Nigel Shadbolt started. Nigel is a professor of Artificial Intelligence (AI) at the University of Southampton. As I had supposed before, Tim-Berners Lee and hid proposal of internet was mentioned. Then he presented the overview of the Information Extraction field as it is supposed to be for opening talks. His also introduced us his notion about the importance of people over algorithms we are forgetting about. The next big words I remember were that subfields of IR are not connected to traditional Artificial Intelligence, but may be better to say Augmented Intelligence.

As the keynote presentation is too big, you can retrieve it here: http://zitnik.si/temp/essir2011/01_NigelShatbolt_keynote.pdf

The next two-part lecture Foundations: Models and Methods was given by Hinrich Schuetze. He was one of the authors of the book Introduction to information retrieval which I read before writing my bachelor thesis. That is why I was very familiar with presentation. His presentations and links are also available on http://informationretrieval.org/essir2011. He lectured some introduction to Boolean model (he emphasized about feast or famine mostly), Vector model, Ranking (interesting was what is the sequence user looks at the results, that 30% users will click even the nonrelevant result, nicely presented difference between Euclidean and cosine similarity, pivot normalization, …), Probabilistic models, Language models and finally Learning to Rank.

Schuetze’s presentation:

The las lecture was given by Vladimir Batagelj, the “godfather” of Pajek. He presented the program Pajek and many interesting properties of network analysis, which I’ve also heard about at his course on Large network analysis during my PhD study.

In the evening the beachvolley was planned but because of the wind we went to mexican restaurant Enchiliada. There Lars showed us some game with glasses (by that you may separate stupid and smart people – maybe :) :), I successfully passed the test).

Before going back to hotel Sholz we needed to go to the German corner to take some pictures:


ESSIR 2011, Day 1

August 29, 2011 – 1:28 am

On the 28th of August 2011, Kaja Vidmar and I went to Koblenz to attent to the 8th European Summer School of Information Retrieval – ESSIR 2011.

First we flew from Brnik to Frankfurt at 8 a.m. in the morning. In Frankfurt we bought tickets for regional train to Koblenz at 10:37. As there were no data about the route, we somehow managed to get some information from sour lady at DBahn info-point. At around 1 p.m. we got to Sholz hotel, where we checked in and first unpacked our laptops.

After some time, we got out. We got over almost the whole Koblenz on foot, eat at MacDonald’s and got acquainted with the city. At 7:40 p.m. we entered the Gecko lounge where there was a Get-together event for the participants. We got to know some nice people, mostly younger researchers, mainly from the fields of Information Retrival, Data Mining, Social Network Analysis and also Software Engineering.

At around midnight we arrived to Sholz hotel, where I am writing this post.


S kolesom do Pule

August 29, 2011 – 12:51 am

S kolegom Miho Longinom sva se 6.8.2011 odpravila s kolesom proti Puli. Plan je bil, da se najprej ustaviva z v kampu Lucija, nato v Poreču in nazadnje v Puli. Med temi postajami pa bi naredila vsakič 2 dni odmora.

Prvi dan: Jaz sem pot pričel na Vrbičju proti Ljubljani. Okoli 6h zjutraj sva se z Miho dobila pred FRI-jem in se napotila proti Portorožu. Prvi incident se je zgodil že na Vrhniškem klancu, ko je Mihi počila zadnja guma. Na srečo sem imel s sabo rezervno, zato sva lahko problem hitro rešila. Nadalje sva se ustavila v Logatcu na bencinski črpalki, kjer sva se okrepčala. Tam sem tudi v obcestni trgovini s kolesi Cult kupil novo zračnico. Do Kopra pa je manjše tehnične težave imelo moje kolo, saj sem moral nekajkrat ročno priviti “špice” na zadnjem platišču. V Kopru sva si v Tuš centru privoščila kosilo – seveda na študentske bone. Nato naju je le kratka razdalja ločila do Lucije, ki sva jo hitro dosegla. Pred tem pa je meni v Portorožu počila sprednja guma, ki sem jo lahko na srečo spet zamenjal in spet privil zadnje “špice”. Zvečer sva se prehitro podala na žur, ki se je začel šele po 23h, zato sva se optimistično odločila nekaj časa spočiti v kampu, kar je seveda pomenilo, da sva vse prespala.


Drugi dan: Ta dan sva preživela na slovenski obali. Zajtrk in kosilo je bilo seveda na študentske bone, zvečer pa ni bilo nobenega dogajanja. Kolegica iz avtobusne postaje nama je namignila, da se zna kaj dogajati v klubu Ayala, vendar ni bilo nič. Torej je sledilo spanje, pred katerim sem si še kupil penasto podlogo za spanje. Zaradi bolj primerne temperature sem spal zunaj v sožitju z lokalnimi ježi.

Tretji dan: Miha je predčasno ustal in še preden sem dojel, je spakiral šotor in mi sporočil, da zaradi boležin v mišicah in glavobola odhaja domov. Na recepciji si je izprosil lekadol, poklical taxi, ki ga je zapeljal do Kopra in z vlakom odšel domov. Jaz sem se ta dan zapeljal do Umaga, kjer sem na poti v Villi Zianni preveril, če imajo moj polnilec za mobitel, ki ga niso imeli. Nato sem se vrnil v portorož, kjer me je popoldne prišel iskat Peter Virant, saj se mi ni ljubilo samemu nadaljevati vožnje.

Ker se je “planirana tura” končala prehitro, bo treba splanirati novo.

Ročna ura/telefon

December 24, 2010 – 4:55 pm

Že nekaj časa so mi bile zanimive ročne ure, ki imajo hkrati funkcijo telefona. Zato sem pred kratkim naročil Royal Watch Phone.

Ura izgleda v redu, zaslon na dotik je dovolj natančen za tipkanje s prsti, je dovolj majhna, vendar nima GPS-a :) . Ker se mi zdi ta pomankljivost kar pomembna in sem navajen Nokia telefonov, bom šel nazaj na uporabo normalnega telefona.

Nekaj slikic:


Sprejem pri ministru dr. Lukšiču

December 21, 2010 – 6:01 pm

V ponedeljek, 20.12.2010 nas je sprejel minister za visoko šolstvo:


Ime tedna na Valu 202

December 21, 2010 – 12:54 am

Danes zjutraj sem se zbudil in izvedel, da sem nominiran za ime tedna na Valu 202. Nominirali so me uredniki za dosego medalje na tekmovanju Euroskills 2010.

Po nekaj SMS-ih, objavi na Facebook-u, kjer so me že pred mano “promovirali” prof. Zupan in Anže Starič, je moja audienca hitro nabrala dovolj glasov, da sem močno zmagal.

Posnetek intervjuja z mano kot imenom tedna ob 12h v studiu Vala 202: Slavko Žitnik – ime tedna na Valu 202

EuroSkills 2010 Lisbon

December 14, 2010 – 8:49 pm

Last week I and others from my Office ICT team competed at EuroSkills 2010 in Lisbon.

We have been preparing for about two months, mostly at Vegova high school at Friday evenings and Saturdays. We were there also for a week in the time of autumn holidays and few sundays before competition. Here we have to thank to prof. Andreja Vehovec! She got sponsors that donated equipment such as computers and Cisco devices and took care of everything we asked. Thanks Andreja!

We have won some medals:

  • I have won a gold medal as Cisco specialist
  • I have won medal as best competitor of Slovenian team
  • Marinka has won a silver medal as Project manager
  • Together we won silver medal as a team

Gold medal - front

Gold medal - back

Medal for best Slovene competitor

In Office ICT trend have competed 9 European teams.

During the competition week the Slovene team leader – Valentina Furjan coordinated our activities. She competed as Project manager at Office ICT at Euroskills 2008. Thanks to Valentina!

Valentina Furjan - The Slovene Team Leader

Thanks again also to Andreja Vehovec and Vegova high school.


Dan FRI v okviru tedna Univerze v Ljubljani

December 14, 2010 – 7:41 pm

Tudi letos so najboljšim študentom FRI podelili knjižne nagrade za uspehe v šolskem letu 2009/2010.

Prejel sem knjižno nagrado za najboljšo povprečno oceno v 4. letniku študija IŠRM in tudi za sodelovanje pri organizaciji srednješolskega ACM tekmovanja v znanju računalništva.


EuroSkills 2010 preparations

October 24, 2010 – 12:34 am

The winners of SloSkills 2010 are already training in building IT infrastructure for the european EuroSkills 2010 competition.

Our task will be to implement many IT services and infrastructure for two dislocated offices. There will be one branch office and warehouse. We will use Debian OS for Asterisk VoIP, DNS, Mail, WWW, Nagios, …, Windows Server 2008 R2 with AD/DC, AAA, WDC, WSUS, HyperV virtualization, …. At the warehouse we will also set up Windows Server 2008 Core Edition. My task as Cisco specialist will be to implement network. I will need to configure three cisco 2801 routers running on Advanced IP IOS, three Cisco switches 2960 and Cisco Aironet 1200. Branches/Company locations will be connected over Internet which will work only on IPv4. Company’s network will be IPv6 only. I will have to design the network, set up services like NATv6, DHCPv6, EIGRP and OSPF routing, security (ACLs, dynamic VLANs), VPN, network authetication, …

Lisbon, we are coming!

Some shots from trainings. They were held in my study room and at Vegova school in Ljubljana:


MobiFoto in Action

August 2, 2010 – 10:47 pm

Marinka Žitnik in jaz sva sodelovala in še sodelujeva na Nokiinem tekmovanju – Nokia App Forum.

Tekmovanje se je uvodno začelo pred poletjem s pripravo opisov potencialnih aplikacij. Marinka in jaz, oz. bolje rečeno Marinka, sva si zamislila idejo Nakupovalnika. Nakupovalnik kot aplikacija naj bi nam omogočal lažje nakupovanje, posedovanje predlog za nakupe kot je npr. piknik, nedeljsko kosilo, pošiljanje in kreiranje nakupovalnih seznamov. Poleg tega bi ga v trgovini uporabljali za lociranje določenega izdelka, lahko bi nam glede na izdelke predlagal najbližjo/najcenejšo trgovino,…

To idejo sva napisala in bila sva sprejeta v tekmo, ki se je s Hackatonom pričela na začetku Julija. To druženje je trajalo dva dni, potem pa smo imeli na voljo nekaj tednov za razvoj aplikacije.

Prvi dan – v petek, smo poslušali uvodno predstavitev – malo Nokiinega marketinga in vizij v prihodnosti in začeli s konceptualnim razvojem. Eden izmed komisije je predhodno na mojem blogu opazil post, da sem naredil GUI za t.i. aplikacijo Si.Fotograf, s katero sem sodeloval na SiMobilovem natečaju. Ideja se mu je zdela všečna, bolj je z njo navdušil tudi naju, zato sva si premislila.

Drugi dan – v soboto: Tedaj smo se že začeli spoznavati z dan prej splavljenim orodjem Qt Creator in Qt frameworkom za Symbian. Qt naj bi bil v prihodnosti oh in sploh za Symbian razvijalce v C++. Na dogodku je bil prisoten tudi Andreas Jakl, ki predava o mobilnih tehnologijah na univerzi Hagenber v Avstriji. Za vsako ekipo si je vzel čas in odgovoril na začetniška pereča vprašanja. Bistveno je bilo, da nam je pokazal, kako se dokopati do pravih virov in na kaj biti pozoren, ko mogoče najdeš pravega ali pa si le našel example, ki je deprecated in ne deluje več. Precej annoying na začetku.

No, sedaj pa nekaj besed o storitvi MobiFoto:
MobiFoto je namenjen vsem uporabnikom, ki si lastijo telefone s fotoaparatom. Ko želijo ti uporabniki natisniti fotografije, jim omogoča, da to storijo zelo enostavno z le nekaj kliki. Ni jim treba kopirati slik na CD, USB ključ, jih prenašati na računalnik,… Ob zagonu aplikacije izberejo svoj najljubši FotoStudio, ki podpira storitev MobiFoto, nato izberejo slike, dimenzije, način dostave in oddajo naročilo. Enostavno kot še nikoli – v treh korakih. Po oddaji naročila lahko tudi spremljajo njegov status in vidijo pretekla naročila.
Več o aplikaciji si lahko izveste tudi z ogledom spodnjega posnetka (1st try ad-hoc posnetek, zato odmislite napake) ali na uradni strani storitve – mobifoto.zitnik.si.

Konec julija – 28.7.2010 smo imeli v baru Egoist na Tržaški predstavitev aplikacij za izbor dveh ekip, ki se bosta udeležili konferenc Nokia World in Qt Developer Days.

Tekmovanje traja do konca novembra, ko bo zmagala aplikacija z največ dolpotegi iz Ovi Trgovine. MobiFoto bo na voljo, ko dobimo brezplačen dostop za objavo. Ko bo na voljo, boste obveščeni.

Še nekaj zaslonskih slik trenutne aplikacije in predstavitve v Egoistu: