Why Is Web Scraping Required?

Lovely Sharma
4 min readSep 4, 2019

Manual acts are translating into automation. You don’t need to think about customers. Let it be handled by data. It’s swirling from every walk of life. The internet of Things (IoT) is incorporated with the artificial intelligence. This collation makes sure that the data continue to pile up consistently.

Why? Is there any particular reason underlying data collection?

Yes, there is a concrete reason. It lets you to get through web scraping for tapping untapped intelligence. However, you sweat out to tap a massive pile of information. The scraping of web de-tangles it.

Web Scraping: A pool of insights

Simply put, it’s an automated scraping of data over the internet. That data are considered the web-based information. In particular, that can be a search query, clicks, impressions, company information, bids, profiles, emails or customer information.

Technically, this process involves exchanging a request for the web content between the sending host and the destination host (servers). At the backstage, an algorithm plays a vital role. While running codes in the background, it pulls out the requisite information automatically.

Technical Challenges with Web Scraping:

1. Unorganized data structure: Every website has its own layout to store data. So, the code fetches data in various formats, font types and inconsistent look. When you collect them at one place, they appear unorganized.

2. Missing information: A website may give a list of its CEO, directors and other team members whereas another website may skip this information. When the script runs to pick up team’s information, its output shows some blanks. Thereby, scraping provides with incomplete, erroneous and missing values.

3. Validity defects: Many websites undergo reconstruction. It leads to edited or altered information. Thereby, the extracted data lose its validity. To maintain the validity consistently, frequent monitoring is essential, which is a hard nut to crack.

4. Proxy variables: Every website’s content is uniquely architected. When you scrape, the code requires a variable that is indirectly relevant. The script or code developer has to fulfill the requirement of unobserved or unforeseen variable or proxy variable. It’s a big challenge.

5. Complex source/ web design: The World Wide Web supports websites of cross-platforms. So, it’s indeed complex puzzle to draw out data from cross-platform.

Requirements of Web Scraping:

Web extraction offers many benefits or advantages to the companies so that they can squeeze out business intelligence, which maximizes ROI.

1. Enhancing big data size: Automation or digitization is finely tuned in every discipline today. Every device has become a data generator. Consequently, the web expands by 200000 pages almost every day. So, the web scraping companies, tools and software have become the most sought-after things. Globally, entrepreneurs want to develop intelligence. It’s possible if they have data, which they cleanse, filter and process adequately.

2. Semantic approach: Have you noticed how adeptly Google algorithms cater search results?

Its spiders follow the semantic approach in the search analysis. It means that whatever your search query is, their semantic analysis filters out results through logical reasoning. Let’s say, you searched with the keywords-‘Icy candy’ or ‘Icy poles’ in Australia. It will show several ice-creams in results. It implies that the semantic approach churns the logic irrespective of the language barrier. That’s why it shows results that carry correlated meaning or logic.

The web extraction follows the same approach. As a repercussion, the companies get intended data.

3. Automatic scraping: Jodi Upton, the Knight Chair of Data and Explanatory Journalism at Syracuse University, geared up her career journey through old school scraping. It was the time when paper-bound data ruled. She had to create her own database manually.

A lot of discrepancies, inaccuracies, typo errors and a lot more problems were there to prove that this kind of extraction is offbeat. Thanks to God! We have Python and many web scraping tools to pull out data through a few clicks and codes. Hard work is done through smart ways.

4. Real-time information: Mostly, this process runs on the algorithm that can extract real-time data. Let’s say, the scrapers employ Python language to inspect the webpages, parse the webpage HTLM using Beautiful Soup, search for HTML elements, looping through those elements, saving variables, cleansing data and writing an output file. While churning through live websites, it pulls variables at the real-time. Thereby, the data analyst assesses them with his expert vision to derive business intelligence.

Underlying BI: The business experts exploit data to determine opportunities. Let’s consider a data scraping example to identify how one determines intelligence. The Central Bank of Armenia collects supermarket data from the internet. The analyst sees them through his experienced lenses. As a result, he figures out consumer inflation in estimated values. Besides, it extracts housing price index through real-estate data; analyse sentiments through music downloads on Spotify.

--

--

Lovely Sharma

Being a business strategies, manages a variety of business analysis activities. Churning performance data and observing patterns are his core competencies.