" A crawler must carefully choose at each step which pages to visit next.

worked with a definition of the objective of a Web crawler that is equivalent to freshness, but use a different wording: they propose that a crawler must minimize the fraction of time pages remain outdated.

The system also handles requests for " subscriptions " to Web pages that must be monitored: when the pages change, they must be downloaded by the crawler and the subscriber must be notified.

Typically a large crawler must be disassembled and moved by trucks, rail cars or ships to its next location.

SSL does not prevent the entire site from being indexed using a web crawler, and in some cases the URI of the encrypted resource can be inferred by knowing only the intercepted request / response size.

The large volume implies that the crawler can only download a limited number of the Web pages within a given time, so it needs to prioritize its downloads.

A crawler may only want to seek out HTML pages and avoid all other MIME types.

In order to request only HTML resources, a crawler may make an HTTP HEAD request to determine a Web resource's MIME type before requesting the entire resource with a GET request.

To avoid making numerous HEAD requests, a crawler may examine the URL and only request a resource if the URL ends with certain characters such as. html,. htm,. asp,. aspx,. php,. jsp,. jspx or a slash.

* ICDL Crawler is a cross-platform web crawler written in C ++ and intended to crawl Web sites based on Web-site Parse Templates using computer's free CPU resources only.

* mnoGoSearch is a crawler, indexer and a search engine written in C and licensed under the GPL ( Linux machines only )

This not only allowed the selection of a lower set of ' crawler ' gears but controlled the selection of drive to the front axle as well.

The web crawler looks only at sites in the. ch and. li top-level domains and a number of automatically and manually updated list of Swiss websites on other domains.

Scale insects ' waxy covering makes them quite resistant to pesticides, which are only effective against the first-instar nymph crawler stage.

Right now, there is only one crawler existing on the G2 network, called g2paranha.

Cothey found that a path-ascending crawler was very effective in finding isolated resources, or resources for which no inbound link would have been found in regular crawling.

By the time a Web crawler has finished its crawl, many events could have happened, including creations, updates and deletions.

Needless to say, if a single crawler is performing multiple requests per second and / or downloading large files, a server would have a hard time keeping up with requests from multiple crawlers.

Because of the vast number of people coming on line, there are always those who do not know what a crawler is, because this is the first one they have seen.

Wget can optionally work like a web crawler by extracting resources linked from HTML pages and downloading them in sequence, repeating the process recursively until all the pages have been downloaded or a maximum recursion depth specified by the user has been reached.

It is common for a rock crawler to have a " spotter – an assistant who will go on foot alongside of or in front of the vehicle to provide information to the driver on obstacles or areas of terrain that the driver may be unable to see.

In the Fallout 3 video game add-on pack " Broken Steel ", the US government survivors, The Enclave, have a mobile base built on and into a heavily modified crawler.

While the towpath will normally be wide, Atkins have suggested that it should be wide in some places, and suitably constructed to provide access for 5-tonne crawler cranes, which have revolutionalised the replacement of lock gates where such access has been provided on the Shropshire Union Canal.

LawMoose launched in September, 2000, is believed to have been the first U. S. regional legal search engine operating its own independent web crawler.

They have poisonous stings ( one crawler stung a dog, who promptly turned black and hard, and died soon after ) and pulpy exteriors, and seem to emit a kind of glue that allows them to build.

One of the conclusions was that if the crawler wants to download pages with high Pagerank early during the crawling process, then the partial Pagerank strategy is the better, followed by breadth-first and backlink-count.

An OPIC-driven crawler downloads first the pages in the crawling frontier with higher amounts of " cash ".

The main problem in focused crawling is that in the context of a Web crawler, we would like to be able to predict the similarity of the text of a given page to the query before actually downloading the page.

They also noted that the problem of Web crawling can be modeled as a multiple-queue, single-server polling system, on which the Web crawler is the server and the Web sites are the queues.

K-selection – K-Y Jelly – kabazzah – kagema – Kahun Gynaecological Papyrus – Kali's teeth bracelet – Kallmann's syndrome – Kama Sutra – Kamashastra – Kandinsky-Clérambault syndrome – karezza – karwa chauth – karyotype – kathoey – Kegel exercise – Kegel exerciser – Arnold Kegel – kept woman – kerb crawler – kerb crawling – kerb-crawler – kerb-crawling – ketubah – khanith – kink ( sexual ) – kinky – kinky sex – Kinsey Institute – Kinsey Reports – Kinsey scale – Alfred Kinsey – kiss – kissing booth-Klein Sexual Orientation Grid – kleptolagnia – kleptomania – Klinefelter's syndrome – Klinefelter syndrome – klismaphilia – klismophilia – klysmaphilia – knife play – knismolagnia – Oswalt Kolle – Robert C. Kolodny – koro ( sexual disorder ) – kothi ( transgender ) – Richard Freiherr von Krafft-Ebing – Friedrich Salomon Krauss – Krukenberg tumor – kundalini – kynodesme – köçek –

According to the FAQ about Nutch, an open-source search engine website, the savings in bandwidth by distributed web crawling are not significant, since " A successful search engine requires more bandwidth to upload query result pages than its crawler needs to download pages ...".

Shining in the Darkness is a dungeon crawler in first-person perspective, while Shining Force is a strategy RPG.

To improve freshness, the crawler should penalize the elements that change too often.

The importance of a page for a crawler can also be expressed as a function of the similarity of a page to a given query.

The crawler was integrated with the indexing process, because text parsing was done for full-text indexing and also for URL extraction.

It also included a real-time crawler that followed links based on the similarity of the anchor text with the provided query.

* A large crawler configuration, in which the DNS resolver and the queues are also distributed.

A tracked vehicle ( also called: track-type tractor, tractor crawler, or track-laying vehicle ) is a vehicle that runs on continuous tracks instead of wheels.

The description of kerb crawler makes clear that ' the addressing or accosting by a potential prostitution customer of a supposed prostitute with the purpose to conclude to a prostitution agreement with her ' is also entitled ' solicitation ' by some.

A crawler is a crane mounted on an undercarriage with a set of tracks ( also called crawlers ) that provide stability and mobility.

Shining the Holy Ark was released immediately prior to Shining Force III, and while it is also a dungeon crawler, it features a far more expanded gameplay world over the first title.

The company also built other heavy equipment, including graders, dump trucks, forklift trucks, compressors, crawler loaders, wheeled loaders, road rollers, and truck cranes.

The World Wide Web Wanderer, also referred to as just the Wanderer, was a Perl-based web crawler that was first deployed in June 1993 to measure the size of the World Wide Web. It was used to generate an index called the Wandex later in 1993.

The crawler was also seen in the 1995 film Apollo 13 and the 2011 film Transformers: Dark of the Moon.

The term is also used for a light stroller, an arch mounted on wheels or crawler tracks and used in logging, or other types of vehicle having wheels and usually a seat for the driver, such as a plough, lister or cultivator.

The carrion crawler was also later featured in the Dungeons & Dragons Game set ( 1991 ), the Dungeons & Dragons Rules Cyclopedia ( 1991 ), the Classic Dungeons & Dragons Game set ( 1994 ), and the Dungeons & Dragons Adventure Game set ( 1999 ).

The instructions to the sitemap are given to the crawler bot by a Robots Text file, an example of this is also given below.