Efficiency Recommendations The working of the SPTW algorithm is demonstrated in Figures 9 and 9. Let us think about location category which is taken into account to be really helpful to the user . In the first step of belief stroll as proven in Figure 9, the following node/target node is chosen as primarily based on larger likelihood edge value. If user has rated the placement class with the score ratex, the results of the belief stroll will return as ratex. If the termination situation has not been reached, the iteration continues for the second walk. It's simple and fundamental, but when you're simply looking for some new book concepts, Olmenta couldn't be easier. You can get custom guide suggestions by entering a quantity of books you've read or browse through totally different genres. Now that you know what product advice engines are, how they work, and the benefits they supply, it's time to start out thinking through how you can take your retail expertise to the subsequent stage.
Check out our listing of one of the best product evaluate websites for B2B and B2C corporations.
Further necessities on the termination of PIV authenticators are found in FIPS 201.
Use this method for a number of films, assigning low scores for the types of films you need to ignore and high scores for those you need to watch to create a user profile of your present tastes.
The measure of how comparable a consumer group or a selected user is with respect to other customers or teams can be determined utilizing the fuzzy logic analysis .
Collaborative filtering is an effective choice for big brands which have access to massive amounts of customer information. Inform customers of factors which will affect the sensitivity of the biometric sensor (e.g., cleanliness of the sensor). If customers injure their enrolled finger, fingerprint recognition could not work.
Webpagetest Api Evaluation On Css Tricks
Although you don't have to buy every recommendation, you should buy a number of of them to be a profitable investor. When you're prepared to buy particular person shares, you must contemplate Stock Advisor from The Motley Fool. When you might be simply beginning to diversify your portfolio or wish to personal stocks that provide regular dividends, you solely need to buy particular person stocks that should outperform the market for the subsequent three to five years. A fast internet search will present several approaches for studying plans, from simply 20 pages a day to detailed calendars and Kanban boards. For every page-turning homicide mystery, there's an intriguing true crime investigation. Samuel writes about James's qualifications whereas incorporating particular examples in every paragraph to illustrate his work performance. Since James is applying to a similar position in software gross sales, all of the strengths described relate directly to the requirements of his goal job. Finally, James has proven himself to be a powerful cultural match here at Waretech. Take influence from your favourite sites, and see our list of our favorite website colour schemes to get started. Color choice plays a major role in your site's usability and UX as well. This choice tends to be extra subjective than other necessities in this record. But, like every thing else we've mentioned, attempt to simplify — limit your colour selection to 3-4 distinguished colours at most. The pattern of common processing time denotes the scalability of the SPTW-GRM and Figure 15 represents the typical processing time of group users. We have also evaluated all kinds of consumer units to discover out the effectivity through average processing time. The comparison of common processing time of SPTW-GRM for different varieties of user units is portrayed in Figure 15. The common processing time shows the time taken for advice technology relying on group dimension and uniform levels between the users. Accordingly, the author focuses on the student's depth of information in a relevant subject area and her communication expertise. We hand-pick everything we advocate and choose objects by way of testing and evaluations. Some merchandise are despatched to us free of cost with no incentive to supply a good evaluate. We offer our unbiased opinions and do not accept compensation to evaluate products. All gadgets are in inventory and prices are accurate at the time of publication. DHEPCase Study A medical or epidemiologic analysis of 1 individual or a small group of people to gather information about specific health situations and previous exposures. EPA has signed an administrative order with the positioning house owners who might be collecting on-site groundwater samples during the summer time of this 12 months, underneath EPA oversight. ATSDR will evaluate the pattern outcomes to complete the pathway evaluation. Additional efforts to conduct personal properly sampling for homes positioned inside ½ mile south of the positioning later in the 12 months are being undertaken by the county health division. Health actions which would possibly be service- or research-oriented (e.g., medical monitoring, well being training, health studies/health surveillance, substance-specific research) (Section 9.2.3). Device affordances (i.e., properties of a tool that allow a consumer to carry out an action), suggestions, and clear instructions are important to a user's success with the biometric gadget. For instance, provide clear directions on the required actions for liveness detection. Users authenticate by proving possession of the single-factor cryptographic gadget. Performing a usability analysis on the selected authenticator is a crucial part of implementation. It is important to conduct evaluations with representative users, realistic targets and duties, and appropriate contexts of use. If you're getting suggestions from Facebook friends you don't know particularly properly, you could wish to double check the names of the proposed service with other friends or online buyer evaluate websites. Whether it's a spot to eat, a mechanic, a hair salon or any other service, you'll typically try to get recommendations from family and friends before attempting a new enterprise. With Facebook, you presumably can reach more people extra effectively than with some other means of communication. The easiest way to source a recommendation from the people you realize is by posting a Facebook status.
The verifier has both symmetric or asymmetric cryptographic keys corresponding to every authenticator. While each types of keys SHALL be protected against modification, symmetric keys SHALL moreover be protected in opposition to unauthorized disclosure. Single-factor cryptographic gadget authenticators SHOULD require a bodily input (e.g., the urgent of a button) to be able to function. This offers defense against unintended operation of the device, which might occur if the endpoint to which it's related is compromised. Multi-factor OTP verifiers successfully duplicate the process of producing the OTP used by the authenticator, but without the requirement that a second factor be offered. As such, the symmetric keys used by authenticators SHALL be strongly protected towards compromise. Recommendations based on the user-location and planning recommendations for tour had been the services provided by the system which took into consideration user's location, time of entry, and preferences. The completely different providers offered by the system, the person preferences setting, the tour plan recommendations, and the usage of Google Maps can be seen. Before your prospects transfer into the checkout process, you could have one last alternative to present them with product recommendations. If you opt to use this tactic, make certain the products you're providing don't distract customers from finishing the acquisition. It's my pleasure to offer my unreserved suggestion for Megan Brown for the place of intern at Acme Corp. Remain positive.State that you just suppose this particular person is a strong candidate. You would possibly say one thing like, "I recommend this person without reservation." You wish to help this candidate stand out from the other candidates. Her ability to calm angry or frustrated clients is unparalleled, and it is due to her excellence in this space that I repeatedly requested her to mentor new staff in the call middle. During the 2 years Sharon reported to me , she persistently demonstrated all of these qualities and extra, and I heartily endorse her for any customer service position. If time is of the essence, you would possibly consider sending arecommendation emailinstead of a letter. Review this list of the knowledge that should be included in a advice letter. It's all the time a wise concept to supply to write down a letter of advice for a colleague who you know is nicely certified for the job in question. The course of might be made easier in case your colleague supplies you with a job ad or place they're pursuing so you probably can customize your recommendation letter to the job itself. While recommended merchandise at the moment are anticipated, plenty of them are still using static rules, taxonomy or easy web page view monitoring mechanism. Your on-line brokerage almost definitely has a wealth of free analytic tools, corresponding to inventory screeners, together with a slew of financial wire tales and analyst stories. Full-service brokerages tend to score notably well on this measure. Google Finance is a bare-bones stock analysis suite that's best for DIY investors comfy performing due diligence with minimal help. And it still boasts a pleasant lineup of complimentary analytic tools, research stories, straight monetary information, and user-generated content. But its free suite is not the one game on the town — nor the best, at least not for severe investors. You'll need to find out whether or not you'll be able to afford to invest enough to recoup your prices.
How Does A Advice Engine Work?
It additionally consists of part where area specialists can manipulate the conversational and suggestion procedures. City Trip Planner , e-Tourism , and Otium are a variety of the net based systems by which a map is marked with the scheduled locations to be visited for a single day. EnoSigTur additionally uses the identical strategy along with which the user's preferences and sociodemographic info is obtained, after which the recommendations are made. The product recommendations can act as a cross-sell products widget and create a database of associated products for users to see. Displaying an inventory of suggested merchandise based on the visitor's shopping history ("Recommended for you") is an often-used and effective type of product recommendation – to add deeper influence, personalize with the shopper's name. The USPSTF has a advice assertion on aspirin use to stop heart problems and colorectal cancer, obtainable at to read the total suggestion statement? Visit the USPSTF web site to learn the total recommendation assertion. This contains extra details on the rationale of the advice, including advantages and harms; supporting evidence; and suggestions of others. A recommendation letter is a necessary component of a job search or college application. Use this letter of advice template as a beginning point to create a meaningful, glowing reference. However, this apply can also have a series effect permitting an attacker to interrupt into a number of methods on account of compromising a single account password. Do not use automated logon functionalityUsing computerized logon performance negates a lot of the value of using a password. If a malicious user is in a position to achieve bodily entry to a system that has computerized logon configured, she or he will be able to take control of the system and entry doubtlessly delicate info. This 100% FREE device is designed to streamline and simplify the process of developing industry-standard wastewater web site recommendation stories. As you might expect from an organization that's been round for a really lengthy time, Norton provides glorious providers, and a few of their different providers have gone into the VPN package deal. In reality, Norton is the only one so far to offer a password manager with their VPN providers. They've been round for 15 years and have fine-tuned their provides and options to stay aggressive. They provide the standard package deal of shopping the web and logging into accounts safely and provide you with entry to regionally blocked content material. VPNs work wonders when it comes to securing your internet connection. By creating an encrypted tunnel between a distant server run by the VPN service, they protect your private information from prying eyes. There is a variety of VPNs out there on the net, and we have collated an inventory of one of the best VPNs that stand out from the remainder. Join the Gates Notes community to get regular updates from Bill on key matters like global health and climate change, to entry exclusive content material, comment on tales, participate in giveaways, and more. A business e-book I'd actually suggest Unlike most books on leadership, this one is worth your time. However, except a regulation school states that you have to use this service, you may select not to use it.
Lifestyle Communities' latest UMCH proposal receives thumbs down from Worthington commission - The Columbus Dispatch
Lifestyle Communities' latest UMCH proposal receives thumbs down from Worthington commission.
This is a group to discuss non-fiction books and get suggestions. In People, you will find book suggestions by celebrities and influential people like Bill Gates, Oprah Winfrey, Barack Obama, JK Rowling, and so forth. You can quickly prune the record by categories, like entrepreneur, journalist, writer, comic, and so on. The topics are not like the similar old carefully-defined genres that you're going to discover in bookstores, as Shepherd is trying to recreate the experience of browsing a bookstore to suit into the online world.
Phrases Nearby Suggestion
See Table 1 for characteristics of really helpful screening strategies, which can embody mixtures of screening checks. Because of restricted obtainable evidence,9,10 the USPSTF suggestion doesn't embody serum tests, urine exams, or capsule endoscopy for colorectal cancer screening. Recommended stool-based and direct visualization screening exams are described under. There are greater than 2.7 billion customers who are energetic on Facebook each month. Reviews are left by employees who have experience working with that firm. Employees can share what it's prefer to interview and work at their firms, and the location reveals visitors which companies are rated highest by their employees. Many employers use it to build their employment model so they can goal and recruit candidates, but you can even use the evaluations to share ideas internally for improvement amongst your administration staff. For instance, in case you are an internet retailer that sells clothes from varied well-liked manufacturers, you may need some customers that are loyal to certain manufacturers. This is why you should also add recommendations based mostly on this standards, not only for similar merchandise. The evaluation of the SPTW algorithm and its POI recommendation score had been carried out as assessing a standard information retrieval system. NDCG is used to determine the performance of the proposed model by way of analyzing the relevant POIs in the suggestion list. MAE is used to seek out the variety of errors in the generated suggestions. The giant worth of MAE shows the upper error with the recommendations. While students could not see the ultimate letter that gets written, they'll nonetheless have lots of input by attending to know their counselor and sharing their pursuits, accomplishments, and objectives. Then they might help their counselor write a powerful, insightful, and real letter for his or her school purposes. I'm actually amazed with all that Laila has accomplished, and I feel that she is certainly one of our most determined, caring, and balanced students. Her enthusiasm is contagious whenever you converse together with her, as her face lights up when she speaks about her friends, household, training, and ambitions for the long run. If you would possibly be requested to offer a letter in PDF, provide the unique PDF that was created by your word processor or typesetting program. Don't scan the document, which degrades the visual high quality and makes it much tougher to read. No one actually cares whether your authentic signature is on the letter, so you can insert a scanned signature into the PDF and even use a typewritten signature. For related causes, do not use "watermark" letterhead that places a big, dim image behind your textual content. You may think this appears cool and sets your letter or establishment aside, but in reality it makes your letter more durable to read with out impressing anybody. When limiting the products proven in a specific submit to a category, solely sure merchandise which belong to that category will appear within the publish. ITL develops checks, check methods, reference knowledge, proof of idea implementations, and technical analyses to advance the development and productive use of data technology. The Special Publication 800-series stories on ITL's analysis, guidelines, and outreach efforts in data system security, and its collaborative actions with trade, authorities, and academic organizations. Here you can find handpicked read-alike recommendations for more than 4000 modern books and 3000 authors. Use the alphabetical lists beneath to look up a favorite guide or creator after which click "See Read-Alikes" to find related books. I have not performed efficiency checks with eight.2, however the recommendations from others are generally that you must now scale shared_buffers rather more with reminiscence and will continue to reap advantages even as much as values like one hundred,000 . Set the maximum variety of connections so that your users is not going to see a "Too many connections" message. MySQL connections usually final for milliseconds, so it's unusual even for a closely loaded server for this worth to be over 200. Consider setting innodb_buffer_pool_instances to the number of cores, vCPUs, or chips you have available. Adjust this worth in accordance with the recommendations in the MySQL documentation. That means, you can see all your buyer reviews in a single place rather than having to log into separate accounts. Yelp is a free evaluation website that lets customers fee businesses on a five-star scale. Any business can arrange a profile on Yelp for free, and users can set up their very own free profiles to review a business. You're free to answer reviewers, too, however we recommend taking a balanced and polite method to any unfavorable critiques you receive, as Yelpers are in a pretty tight-knit community. Security Detect, examine, and reply to on-line threats to assist protect your corporation. Cloud Search Enterprise seek for staff to shortly discover firm data. Active Assist Automatic cloud resource optimization and increased security. High Performance Computing Compute, storage, and networking options to assist any workload. AI options Add intelligence and efficiency to your small business with AI and machine studying. Smart analytics solutions Generate prompt insights from data at any scale with a serverless, fully managed analytics platform that considerably simplifies analytics. The outcomes of the varied experimental comparisons with advice results and efficiency analysis of different algorithms are offered on this subsection. From the experimental outcomes of Table 4 and infographics of Figures 12, 12, 12, and 12, it is clear that there is no full acquire for belief primarily based algorithms in phrases of suggestions accuracy. Though different models contemplate trust of the customers for recommendations, the proposed SPTW combines each belief of users and similarity between users along with the present location. By this, the accuracy of SPTW has been improved a lot in comparability with different methods and the efficiency of recommendation is healthier in comparison with different algorithms. To unhide page recommendations, click on Show all hidden suggestions on the backside of the page. Then, to pick the entire recommendations, click the Select all [#] pages link. To export suggestions instead, click on theActionsdropdown menu and selectExport recommendations.In the dialog field, click theFile formatdropdown menu and choose aformat, then clickExport. New users might reject unreliable, nonpersonalized suggestions and the recommendation providers too. Adding extra info to the model new user database, similar to preferences, tackles the new consumer problem. Similarly, new item downside arises due to addition of new gadgets within the recommender methods. Since there isn't a preliminary rating for these new gadgets added to the recommender systems, it will get unnoticed by a lot of the customers and large group of customers may be unaware of such objects. Alternatively, both lighttpd and nginx are capable of performing as a load-balancer and/or reverse-proxy to alleviate load on back-end servers, offering benefit without requiring an actual software program change on current servers. Unless you're doing growth work on the server, set ExtendedStatus Off and disable mod_info as properly as mod_status. If you do not use a .htaccess file, set the AllowOverride variable to AllowOverride None to prevent .htaccess lookups. Several comments additionally requested clarification about how regularly sDNA-FIT is being recommended. The USPSTF has clarified that screening every 1 to 3 years with sDNA-FIT can be affordable. Comments have been additionally acquired requesting that the USPSTF provide a tiered or ranked listing of screening methods. Comments additionally requested that individuals with a personal or household historical past of Lynch syndrome be added to the advice. Persons who've hereditary cancer syndromes corresponding to Lynch syndrome are at very excessive danger for colorectal most cancers and might have screening methods that transcend the proof that the USPSTF reviewed. Persons with a private or household history of Lynch syndrome should communicate with their health care professional about applicable screening choices. With fewer memorized secrets, users can more simply recall the specific memorized secret needed for a selected RP. Clearly talk how and where to accumulate technical help. For instance, present customers with info similar to a hyperlink to an online self-service function, chat classes or a telephone number for assist desk support. Ideally, sufficient data could be offered to allow customers to recuperate from intermittent occasions on their own without outside intervention. Integrating usability into the development process can lead to authentication options which would possibly be secure and usable whereas still addressing users' authentication needs and organizations' business goals. Organizations need to be cognizant of the overall implications of their stakeholders' entire digital authentication ecosystem. How To Write A Convincing Letter Of RecommendationLooking for some help with drafting that suggestion letter? Let us refer you to this step-by-step information to writing a persuasive letter. This technique has the benefit that HTML entity encoding is broadly supported and helps separate data from server side code without crossing any context boundaries. Consider putting the JSON block on the web page as a standard component and then parsing the innerHTML to get the contents. Recommendations that don't have a time frame for completion might be interpreted as having a low priority. It will assist make sure that aims are cheap; the recommendation is achievable; and, ideally, that buy-in or dedication is received from the party answerable for implementing the advice. The PHAP typically doesn't comprise actions not agreed upon by different entities responsible for their implementation. Table 9-4 presents a worksheet that can utilized in formulating suggestions and in growing a PHAP. The worksheet is completed for instance issues under scenario for which biomonitoring has been really helpful. Even although most vacationers go away their suggestions on the websites above, it's still worth monitoring your hotel's status in other locations. Browse our information of business evaluate sites or take a glance at the listing below for extra resort websites that can enhance your brand consciousness and bring you more prospects. You can leverage social media to collect customer feedback, which is crucial if you need to create a Voice of the Customer technique. In the past, Facebook reviews used a traditional five-star rating. Recently, that system modified in order that customers will now present Facebook Recommendations (a one-click Yes/No ranking system) to permit for less complicated but nonetheless detailed suggestions. Customers already use Yelp to find restaurants, so why not put your hotel on the identical site? Once you've updated your profile, remember to read these tips on how to handle Vitals reviews. You can declare a Vitals profile by looking for the specific follow on the internet site. Once you discover it, click the "Claim this profile" hyperlink from your profile web page. With a claimed profile, you need to have the power to replace photographs and handle particular info together with display name, follow tackle, specialties and experience, and schooling and awards. 72% use evaluations on physician ranking sites as the first step to discovering a brand new doctor. The Chat module is said to be a hog by means of frequent HTTP requests to the primary server.
The Best Books On Sex And Youngsters, Beneficial By Jennifer Hirsch, Professor Of Socio
Startup Program Get financial, enterprise, and technical help to take your startup to the subsequent stage. Marketing Analytics Solutions for accumulating, analyzing, and activating buyer information. Spark on Google Cloud Run and write Spark the place you want it, serverless and built-in. Smart Analytics Generate prompt insights from information at any scale with a serverless, totally managed analytics platform that considerably simplifies analytics. In most cases, it's advisable to current conclusions so as of public well being priority or importance. Conclusion statements have to be fully consistent with data offered within the public health assessment doc and should not introduce any new data. In some cases, additional data may be required to confirm or additional assist the choice made. It is necessary to rigorously examine the criticality of lacking knowledge. He explains our merchandise clearly to prospects and makes essentially the most of technological avenues to gain new leads and customize his sales pitch to shoppers. During an early evaluation, I observed him focus on in detail with a potential consumer the precise ways that our software program may enhance the sales of her online bakery. By monitoring shoppers' presence throughout our web site and weblog, he offers each with personalized service to fulfill his/her needs. James makes essentially the most of expertise to find new prospects, provide fashionable options, and drive outcomes. A letter of advice, also called a letter of reference, is a formal letter used to describe the qualities, strengths, and traits of one other particular person. Offers a "Safety Alert" characteristic that notifies customers when a product is deemed unsafe. There's also a "Brand Alert" characteristic that allows you to know if a model has a history of creating unsafe products. TestFreaks has one hundred million crawled reviews from over 15,000 sources. Since Choice evaluates educational sources independently, its evaluations are unbiased.
Maintain California Healthy
One of the opposite points with advice systems is the scalability of algorithms having real-world datasets. In most instances, the traditional strategy has turn into overwhelmed by the multiplicity of products and shoppers, resulting in dataset challenges and efficiency discount. Compared to pure collaborative and content-based strategies, hybrid methods can present more correct suggestions. They can also overcome the frequent points in recommendation techniques such as chilly start and the info paucity troubles. One of the essential elements behind the working of a product advice engine is the recommender function, which considers specific information about the person and predicts the ranking that the consumer would possibly assign to a product. We are a human driven video game database supported by user scores from Games Finder guests. Our aim is to make Five Books the place to go to on the web for guide recommendations, arranged by topic. Help us achieve our goal by making a studying listing on a topic you realize lots about. These lists have been created by our readers using our new interactive software. Did you understand that product suggestions might account for as a lot as 31% of your e-commerce revenue? Sooqr Recommendations immediately recommends your guests with the merchandise they need, however they did not know yet. Naming, renaming, and removal suggestions to Congress for all Department of Defense gadgets that commemorate the Confederate States of America or any person who served voluntarily with the Confederate States of America. More than 30 years of expert curation and superior expertise come collectively to give you amazing suggestions. The Dutch-based website has over 29 million listings worldwide, and it claims that over 1.5 million rooms are reserved daily via the positioning. Then, SPTW-GRM creates a common group profile to the members of the group and the profile contains the common location category assigned by the group members in their individual profiles. The location class with the upper repetition in the group profile shows the users' pursuits towards that location class and it has more impact on POI recommendations in comparison with the placement classes with decrease repetition. Figure 11 shows the creation of group profile by SPTW-GRM considering the situation category available on the person person profiles of group members. Premium members additionally get access to a "Quant Ratings" system that may make screening stocks easier. You can also learn articles to get investing ideas and evaluation market commentary from Seeking Alpha contributors. Like other investment sites, you can access many free articles and video interviews to assist you perceive the markets and investing concepts.
Last Fm Founders Launch Web Recommendation Tool Lumi
Therefore, utilization of LBSN data with ratings enhances the accuracy of suggestions. The level areas and the route connecting the purpose location are recorded by customers and are called trajectory-based social networking companies . Normally, the users' experiences are represented by their tags, similar to photos, media, and suggestions, alongside the trajectories and in addition these services are used to document customers basic information, such as distance, period, and velocity. In addition to social networking services, trajectory-based service methods additionally provide the when and where data of customers for personalization. Some recommender methods match the preferences of the person, examine the previous journey history for areas, and also evaluate the positively reviewed locations of other users to provide a suggestion listing. Below you'll discover a sample letter written by a direct supervisor for an employee who works in software program gross sales. If you're liable for managing or main a staff, likelihood is you may be referred to as upon to put in writing related letters. If HSTS would not affect your customers and search engines negatively, you probably can add your web site to the HSTS preload list, which is utilized by most main browsers. Adhering to these rules will keep away from the confusion of roles that is encountered with rising frequency in the scientific research enterprise. It is more widespread for sponsors to fund third-party entities to act as BAAs of analysis sites in making outreach to potential subjects recognized via researchers' data reviews under a waiver of authorization. Implementation of appropriate inside insurance policies and procedures by the sponsor would keep away from misleading communications being made to check members. What BookBub does is suggest free or extremely low-cost books (usually only $.99-$2,) based mostly in your interests and books you've read. BookBub sends you an e-mail every day with guide offers for that day often underneath the radar titles that you might have missed. In truth, they think about themselves the world's largest e-book club and it certainly has that type of feel. Add books to your catalogue and get recommendations based mostly on what you've learn or choose "member recommendations" instead of LibraryThing suggestions to get different alternate options. You can participate in groups and discussions, and see featured authors and new books as well. There should be one LSAC LOR Form for each letter your campus service will be sending to LSAC. Product recommendations present prospects with highly relevant content suited to their distinctive wants, pursuits, and shopping for habits. And the more they encounter customized suggestions, the extra they anticipate to get them everytime and every place they shop on-line. Using product recommendation engines is a aggressive benefit in opposition to manufacturers that have not yet embraced personalization and AI.
Customer Support Recommendation Letter
This technique is described in Robust Defenses for Cross-Site Request Forgery part 4.1. For extra details about login CSRF and different risks, see section three of this paper. Most builders tend to ignore CSRF vulnerability on login forms as they assume that CSRF wouldn't be relevant on login varieties as a end result of consumer just isn't authenticated at that stage, nonetheless this assumption just isn't always true. CSRF vulnerabilities can nonetheless occur on login varieties the place the consumer isn't authenticated, however the impact and danger is different.
0 개의 댓글:
댓글 쓰기