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Let the search begin!Laat die soektog begin!

Friday, May 4th, 2012

Have you ever tried looking for something on a search engine only to get 1267 results totally unrelated to your initial query?

Internet search engines have the ability to search through a huge amount of web pages by means of titles, key words or text. But to find the correct results fast and effectively, you need to know how to use search engines to your advantage.

We’ve compiled a few basic hints to help you with your searches.

–         Use more than one keyword

On average most people use 1.5 words per search –  not enough for a successful search. The suggested amount of words are 6 to 8, preferably nouns.  Articles and pronouns are mostly ignored by search engines. Avoid verbs and adjectives unless it helps to define the topic.

–          Use phrases

A phrase is a combination of one or more words found in the exact order in the text you’re looking for. Make sure you use quotation marks, for example “get results fast”.

–          Caps and punctuation

Most search engines are sensitive to case. However if you use small caps, most search engines will recognise both capital letters and small caps. To play it safe, rather use small caps.

–          Boolean searches

The “Boolean” search was named after George Boole, a 19th century mathematician. A Boolean search is a handy took which gives the best results for a search. The three most used options are AND, OR and AND NOT.

AND means you’re looking for documents containing both/all words. For example if you serach for “search engines” AND “Google” AND “Boolean”, you will get results containing all three words.

OR means you’re looking for results containing one of the two words – it doesn’t matter which one. Preferably use synonyms for this option. For example  “small caps” OR “lower case”.

AND NOT means you are looking for results containing one word, but not if the document also contains another word. The search for “Google” AND “search engines” AND NOT “Boolean” will give you all the documents with “Google en “search engines”, but they won’t have “Boolean”.

Most search engines support the AND NOT option, but they sometimes use the words BUT NOT or NOT instead. In these cases they are indicated by placing a minus in front of the word or phrase.

–          Take note of your spelling and also consider the alternative spelling of words. 

–          Use specific words/phrases rather than generic categories. Rather search for “laptop” than “computer”.

–          Only search one specific website or domain. To do this, type the subject you’re looking for, followed by  “site:” and the webaddress. (For example inetkey site:www.sun.ac.za/infoteg)

–          Use a specialist search engine, for example an image search engine to search for your images and photos. Many websites have their own subcategories which makes it easier to conduct a serach.  Wikipedia has a very extensive list of specialist search engines.

Just remember there are between 200 and 800 million documents online! Refine your search as much as possible and you’ll be guaranteed better results.

Rumour has Amazon became the number one online shopping website before Google existed because Yahoo listed all the sites in their directory alphabetically! Luckily times have changed.

For more about the various search engines, how they work and tips, read more on Search Engine Watch.

Het jy al ooit `n soektog gedoen op `n soekenjin net om 1267 resultate te kry wat niks te doen het met wat jy in die eerste plek gesoek het nie?

Internetsoekenjins beskik oor die vermoeë om `n geweldige groot hoeveelheid webbladsye te deursoek deur van titels, sleutelwoorde of teks gebruik te maak. Maar om die regte resultate vinnig en effektief te lewer, moet jy weet hoe om dit optimaal te benut.

Ons het `n paar basiese wenke saamgestel om dit makliker te maak vir jou.

–          Kies meer as een sleutelwoord

Die meeste mense gebruik 1.5 woorde per soektog en dis nie genoeg vir `n suksesvolle soektog nie. Die aanbevole aantal woorde is 6 tot 8, verkieslik selfstandige naamwoorde. Lidwoorde en voornaamwoorde word geignoreer deur soekenjins.Vermy werkwoorde en byvoeglike naamwoorde behalwe as dit die onderwerp beter definieer.

–          Gebruik frases

Frases is kombinasies van twee of meer woorde wat in die presiese volgorde in die teks wat jy soek gevind kan word. Maak seker jy sit die frase in aanhalingstekens, byvoorbeeld “regte resultate vinnig”.

–          Hoofletters en leestekens

Die meeste soekenjins is sensitief as dit kom by kas. As jy kleinletters gebruik word sal die meeste soekenjins egter beide hoofletters en kleinletters raaksien. Kleinletters is dus jou veiligste opsie.

–          Booleansoektogte

“Boolean” soektogte is vernoem na George Boole, `n 19de eeuse wiskundige. `n Boolean-soektog is `n handige hulpmiddel wat die beste soekresultate lewer. Die drie algemeenste Boolean-opsies is AND, OR en AND NOT.

AND beteken jy soek net dokumente wat beide/albei woorde bevat. Byvoorbeeld as jy “search engines” AND “Google” AND “Boolean” kies, sal jy slegs resultate kry wat al drie woorde bevat.

OR beteken jy soek resultate wat een van die twee woorde bevat – dit maak nie saak watter een nie. Gebruik verkieslik sinonieme vir hierdie opsie. Byvoorbeeld “small caps” OR “lower case”.

AND NOT beteken jy soek resultate wat een word bevat, maar nie as die dokument ook `n spesifieke ander word bevat nie. Die soektog “Google” AND “search engines” AND NOT “Boolean” sal dus slegs vir jou die dokumente gee met “Google en “search engines”, maar nie “Boolean” ook in het nie.

Die meeste soekenjins ondersteun die AND NOT-opsie, maar soms word dit ook BUT NOT of NOT genoem. In hierdie gevalle word dit aangedui deur `n minusteken voor die word of frase te plaas.

–          Let op jou spelling en oorweeg ook alternatiewe spelling van woorde.

–          Gebruik spesifieke woorde eerder as generiese kategorieë. Soek eerder “skootrekenaar” as “rekenaars”.

–          Soek slegs op `n spesifieke webwerf of domein. Om dit te doen tik die frase wat jy soek, gevolg deur “site:” en die webwerfadres. (Byvoorbeeld inetkey site:www.sun.ac.za/infoteg)

–          Gebruik `n spesialis-soekenjin, soos `n beeld(“image”)-soekenjin, om fotos en prentjies te soek. Baie webwerwe het ook hulle eie spesiale onderafdelings waaronder jy kan soek. Wikipedia het ook `n baie volledige lys oor spesialis soekenjins.

Onthou daar is tussen 200 en 800 miljoen dokumente aanlyn! Hoe beter jy jou soektog definieer, hoe meer tyd gaan jy spaar.

Volgens oorlewering het Amazon die nommer een aankope-webwerf geword omdat Yahoo destyds voordat Google bestaan het, al die webwerwe in hulle gids alfabeties gelys het! Gelukkig het tye verander.

Om meer te leer oor soekenjins en hoe om hulle beter te gebruik, gaan loer gerus by Search Engine Watch.

Did you know?Het jy geweet?

Friday, May 4th, 2012

You could fit the whole Internet on just 200 million Blu-Ray disks and the first webcam was used to monitor a coffee maker?

The technology behind the Internet began back in the 1960′s at MIT. The first message ever to be transmitted was LOG. Why? The user had attempted to type LOGIN, but the network crashed after the enormous load of data of the letter G. It was to be a while before Facebook would be developed…

The Internet began as a single page at the URL http://info.cern.ch/hypertext/WWW/TheProject.html, which contained information about this new-fangled “WorldWideWeb” project, and how you too could make a hypertext page full of wonderful hyperlinks. Sadly, the original page was never saved, but you can view it after 2 years of revisions here.

Other interesting internet trivia:

  • The first webcam was deployed at Cambridge University computer lab – its sole purpose to monitor a particular coffee maker and hence avoid wasted trips to an empty pot.
  • Although the MP3 standard was invented in 1991, it wouldn’t be until 1998 that the first music file-sharing service Napster, would go live, and change the way the Internet was used forever.
  • Ever since the birth of the Internet, file sharing was a problem for the authorities that managed it. In 1989, McGill University shut down their FTP indexing site after finding out that it was responsible for half of the Internet traffic from America into Canada. Fortunately, a number of similar file indexing sites had already been made.
  • Sound familiar? Even today file sharing dominates Internet traffic with torrent files accounting for over 50% of upstream bandwidth. However, a larger proportion of download bandwidth is taken up by streaming media services such as Netflix.
  • Google estimates that the Internet today contains about 5 million terabytes of data (1TB = 1,000GB), and claims it has only indexed a paltry 0.04% of it all! You could fit the whole Internet on just 200 million Blu-Ray disks.
  • Twenty hours of video from around the world are uploaded to YouTube every minute. The first ever YouTube video was uploaded on April 23rd 2005,by Jawed Karim (one of the founders of the site) and was 18 seconds long, entitled “Me at the zoo”. It was quite boring, as is 99% of the content on YouTube today.

SOURCE: http://www.makeuseof.com

Jy kan die hele internet op 200 miljoen Blu-Ray skywe stoor en dat die heel eerste webkamera gebruik is om `n koffiepot te monitor? Deesdae is ons al so bederf met die internet dat dit moeilik is om `n lewe daarsonder in te dink. Maar weet jy waar dit alles begin het?

Die tegnologie agter die internet is alreeds in die sestigerjare by MIT (Massachusetts Institute of Technology) begin. Die eerste boodskap wat ooit gestuur het, het net een word bevat – LOG. Hoekom? Die person wat dit getik het, het LOGIN probeer tik, maar die geweldige hoeveelheid data wat die letter G bevat het, het die hele netwerk laat platval.

Die internet was oorspronklik net een bladsy by die URL http://info.cern.ch/hypertext/WWW/TheProject.html.  Op hierdie enkele blad was `n opsomming oor hierdie nuwe projek wat die  “WorldWideWeb” genoem word en hoe jy  ook `n bladsy kan maak vol wonderlike hiperskakels. Ongelukkig is die oorspronklike blad nie meer beskikbaar nie, maar jy kan die hersiende weergawe hier kry.

Nog interessante internet-trivia:

  • Die eerste webkamera is implementeer in Cambridge se rekenaarlaboratorium – sy enigste doel was om een spesifieke koffiemasjien te monitor sodat die koffiedrinkers nie verniet loop en `n leë koffiepot kry nie.  Hierdie “gevorderde” tegnologie word steeds selfs op ons eie kampus gebruik in sekere laboratoriums.
  • MP3’s is reeds in 1991 uitgevind, maar is eers in 1998 vir die eerste keer gebruik te danke aan Napster.
  • Reg van die begin af was het die deel van leêrs op die internet vir owerhede problem geskep. In 1989 moes die Universiteit van McGill hulle ftp-webwerf afsit nadat hulle besef het dis verantwoordelik vir die helfte van alle internetverkeer van Amerika na Kanada.
  • Die enorme omvang van die leêrdeling vandag met die gepaardgaande etiese kwessies kom dus al `n lang pad. Torrent-leêrs gebruik meer as 50% van die bandwydte van die internet – `n groot gedeelte word egter opgeneem deur videostrome van dienste soos Netflix.
  • Google beraam dat die internet vandag uit 5 million terabytes se data (1TB = 1,000GB) bestaan, waarvan Google self nog net 0.04% geindekseer het.
  • Twintig ure se videomateriaal word elke minuut van reg oor die wêreld op YouTube gelaai. Die heel eerste  YouTube video is op 23 April deur Jawed Karim (een van die stigterslede van die webwerf) gelaai, was 18 sekondes lank en geweldig vervelig. (Sommige goed verander nooi!)

BRON: http://www.makeuseof.com

IT at your doorstepIT op jou drumpel

Friday, April 20th, 2012

One of these days you’ll have the opportunity to voice your opinions and complaints on IT issues once every two months in your own faculty.

As part of IT’s ongoing initiative to improve communication with the rest of campus, faculty representatives were recently allocated to each faculty. With this initiative all staff have the opportunity to give input, ideas and suggestions regarding IT matters. This will also enable IT to solve problems faster and establish where potential problems and bottle-necks may occur.

IT representatives will contact key staff members in each faculty shortly to arrange the first meeting:

IT REPRESENTATIVES FACULTY
   
Marita de Koker & André Elms Theology
   
 
 
   
   
Clayton Adonis & Quintus Roos Science
   
   
Bradley van der Venter & Clive Layman Law
   
 
 
   
Regan Janari & Leanne Farao Sport
   
 
 
   
Neels Blom & Zanfrick Witbooi AgriSciences
   
   
   
Tian Petersen & Clint Adams Education
   
   
Peter Grift & Ryan Leroux Ecomonics
   
   
   
George Whitehead & Ronel Reynecke Engineering
Paul de Kock & Basil Pietersen  
   
 

Een van die dae sal jy eenkeer elke twee maande al jou navrae en klagtes kan stem gee by jou eie IT-fakulteitsbeampte.

As deel van IT se voortdurende pogings om kommunikasie met kampus te verbeter, is fakulteitsbeamptes in elke fakulteit onlangs aangewys. Met hierdie inisiatief sal daar twee-maandeliks insette, idees en voorstelle van gebruikers op kampus via hul eie verteenwoordigers ontvang word. In die proses sal dit Informasietegnologie in staat stel om vinniger probleme op te los en ook te bepaal waar daar spesifieke knelpunte en potensiële probleme mag ontstaan.

IT verteenwoordigers sal binnekort sleutelpersone binne elke fakulteit kontak om reëlings te tref vir die eerste kontaksessie:

IT VERTEENWOORDIGERS FAKULTEIT
Marita de Koker & André Elms Teologie
   
   
Clayton Adonis & Quintus Roos Natuurwetenskappe
   
   
Bradley van der Venter & Clive Layman Regte
   
   
   
Regan Janari & Leanne Farao Sport
   
   
   
Neels Blom & Zanfrick Witbooi Agriwetenskappe
   
   
   
Tian Petersen & Clint Adams Opvoedkunde
   
   
Peter Grift & Ryan Leroux Ekonomie
   
   
George Whitehead & Ronel Reynecke Ingenieurswese
Paul de Kock & Basil Pietersen
 

Take the short-cutVat kortpad

Friday, April 20th, 2012

Some days there’s just not enough time to do things the long way. So to make sure you don’t unnecessarily waste time, we found some keyboard short-cuts for your browser that might make your life a little bit easier (and faster!)

(short-cuts  courtesy of www.iafrica.com)

Open a new tab

Ctrl + T

Close a new tab

Ctrl + W

Switch tabs

Ctrl + Tab, Ctrl + Shift + Tab

Open link in new tab

Ctrl + left click, mousewheel click

Open last closed tab

Ctrl + Shift + T

Open tab in Incognito/Stealth mode

Ctrl + Shift + N

Scroll horizontally

Shift + mousewheel up or down

Increase/Decrease font size

Ctrl + mousewheel up or down

Save bookmark

Ctrl + D

Jump to next text field/box

Tab, Shift + Tab

Copy, Cut, Paste text

Ctrl + C, Ctrl + X, Ctrl + V

View browsing history

Ctrl + H

Download link

Ctrl + left mouse click

Reload page

F5

Go to homepage

Alt + Home

Open Chrome task manager

Shift + Escape

Jump to address bar

Ctrl + L

Go to beginning, end of page

Home, End

Stop webpage loading

Esc

Activate full-screen mode

F11

Show downloads page

Ctrl + J

Find word/phrase in page

Ctrl + F

Soms is daar net nie tyd om dinge op die lang manier te doen nie. Ons het vir jou `n paar kortpaaie vir jou webblaaier op jou sleutelbord gaan opspoor.

(kortpaaie te danke aan www.iafrica.com)

Open a new tab

Ctrl + T

Close a new tab

Ctrl + W

Switch tabs

Ctrl + Tab, Ctrl + Shift + Tab

Open link in new tab

Ctrl + left click, mousewheel click

Open last closed tab

Ctrl + Shift + T

Open tab in Incognito/Stealth mode

Ctrl + Shift + N

Scroll horizontally

Shift + mousewheel up or down

Increase/Decrease font size

Ctrl + mousewheel up or down

Save bookmark

Ctrl + D

Jump to next text field/box

Tab, Shift + Tab

Copy, Cut, Paste text

Ctrl + C, Ctrl + X, Ctrl + V

View browsing history

Ctrl + H

Download link

Ctrl + left mouse click

Reload page

F5

Go to homepage

Alt + Home

Open Chrome task manager

Shift + Escape

Jump to address bar

Ctrl + L

Go to beginning, end of page

Home, End

Stop webpage loading

Esc

Activate full-screen mode

F11

Show downloads page

Ctrl + J

Find word/phrase in page

Ctrl + F

Cybermeetings the way of the future?Kuberkonferensies ons voorland?

Friday, March 23rd, 2012

Chicken or beef? Just imagine not exposing yourself to dodgy airplane meals and lost luggage anymore? Nowadays there’s really little need to fly thousands of kilometeres for an one hour meeting. More and more businesses are starting to make use of virtual meetings to save money and to lighten their carbon footprint.

Ok, let’s start from the beginning. So what does the term carbon footprint actually mean?

Every human being has their own carbon footprint, whether you are an individual, part of a large corporation or a manufacturer of goods. Your daily activities and everything you do has an impact on the environment. Your carbon footprint is a measure of this impact and can be calculated based on your food, travel, purchases and how you deal with waste. (If you want to find out what yours is, use the Carbon Footprint Calculator)

There are many ways of reducing your carbon footprint and making sure you tread lightly every day. Conferences and meetings are just two of these.

Ask yourself whether it’s really necessary to attend the meeting or conference? According to Dave Rochlin of ClimatePath most events can generate more than a ton of CO2 per attendee. This includes air travel (about 90% of the carbon footprint), paper usage, conference material and catering. According to research done by ClimatePath a conference’s carbon footprint can be reduced by 90 percent by hosting the meeting virtually. One company, Manpower, avoided 400,000 pounds of CO2 emissions by holding its annual Global Leadership Team meeting virtually, which reduced air travel by one million miles!

Modern technologies such as video conferencing can help lower the carbon footprint of meetings. An initial investment in tele- and video-conferencing facilities will reduce the need for flights saving money, time and carbon emissions. But the installation of possibly expensive technology isn’t a necessity. A virtual meeting can easily be conducted via Skype within an hour – the same meeting in a different location would’ve been more costly and time-consuming as well.

If it’s not possible to conduct a meeting via video conferencing, some measures can still be taken to lessen the impact on the environment. Some handy hints on conferencing can be found on The National Conference Centre’s blog so next time you attend a conference, make sure you tread lightly.Hoender of bief? Sal dit nie salig wees om nie meer jouself bloot hoef te stel aan suspisieuse vliegtuigmaaltye en verlore bagasie nie? Deesdae is dit nie meer nodig om kilometers ver te vlieg vir `n een uur vergadering nie. Meer en meer besighede maak gebruik van virtuele konferensies om geld te spaar en terselfdertdyd hul koolstof-voetspoor ligter te maak.

Goed, maar kom ons begin by die begin. Wat beteken dit as almal verwys na jou “carbon footprint”?

Elke persoon het sy eie voetspoor (“carbon footprint”), of jy `n individu is, deel van `n groot maatskappy of `n vervaardiger van goedere. Jou daaglikse aktiwiteite en alles wat jy doen het `n impak op die omgewing rondom jou. Jou voetspoor is die maatstaf van hierdie impak en kan gemeet word volgens jou eetgewoontes, hoe jy reis, wat jy koop en natuurlik hoe jy ontslae raak van al jou rommel. (As jy graag wil weet hoe diep jy jou spoor trap, gaan kyk by Carbon Footprint Calculator.)

Daar is verskeie maniere om jou impak te verlig en seker te maak dat jy met ligter treë op die aarde trap. Konferensies en vergaderings is bloot een hiervan.

Voor jy op `n vliegtuig spring vir `n vinnige uitstappie Johannesburg toe, vra jouself af of dit regtig nodig is om 1000+ kilometers te vlieg om hierdie vergadering by te woon? Volgens Dave Rochlin of ClimatePath kan die  meeste konferensies meer as `n ton CO2 per deelnemer genereer. Dit sluit in, reis (ongeveer 90% van die voetspoor), papiergebruik, konferensiemateriaal en spyseniering. Volgens navorsing gedoen deur ClimatePath can die impak op die omgewing met 90% verminder word deur bloot `n virtuele vergadering te hou. Een maatskappy, Manpower, het 400,000 pond se CO2 gasse vermy deur hul jaarlikse  “Global Leadership Team”-vergadering virtueel aan te bied en ook lugreise met een miljoen myl verminder!

Met hedendaagse moderne tegnologie soos videokonferensiefasiliteite word dit al makliker om die “carbon footprint” van vergaderings te verminder. Die aanvanklike onkoste om tele- en videokonferensiefasiliteite aan te koop, sal die nodigheid om te vlieg verminder en daarmee saam geld, tyd en uitlaatgasse spaar. Die installasie van moontlike duur tegnologie is egter nie nodig nie. ‘n Virtuele vergadering kan net so maklik met Skype afgehandel word binne `n fraksie van die tyd.

Indien die bywoning van `n vergadering of konferensie elders nie moontlik is nie, is daar egter steeds maniere om te verseker dat jou impak so laag moontlik is. Die The National Conference Centre’s blog het `n paar handige voorstelle. Gaan loer gerus en maak seker jy gaan vergader volgende keer ligvoets.